documents.jamescitycountyva.gov · certificate of authenticity this is to certify that the...

CERTIFICATE OF AUTHENTICITY

THIS IS TO CERTIFY THAT THE FOLLOWING ELECTRONIC RECORDS ARE

TRUE AND ACCURATE REPRODUCTIONS OF THE ORIGINAL RECORDS OF

JAMES CITY COUNTY GENERAL SERVICES DEPARTMENT- STORMWATER

DIVISION; WERE SCANNED IN THE REGULAR COURSE OF BUSINESS

PURSUANT TO GUIDELINES ESTABLISHED BY THE LIBRARY OF VIRGINIA AND

ARCHIVES; AND HA VE BEEN VERIFIED IN THE CUSTODY OF THE INDIVIDUAL

LISTED BELOW.

BMP NUMBER: JR001

DATE VERIFIED: October 18, 2017

QUALITY ASSURANCE TECHNICIAN: Jonathan Craig

LOCATION: WILLIAMSBURG, VIRGINIA

JR001_FIRST_COLONY_LAKE_PASBEHEGH_PRIVATE_DAM - 1 of 77

Stormwater Division

M E M O R A N D U M

Comments: Scanned and added 3 drawings. Hard copies destroyed. No other pages scanned or added.

DATE: October 18, 2017

SCANNER: Jonathan Craig, Assistant Environment Coordinator

RE: Files Approved for Scanning

JR001 General File ID or BMP ID: PIN: 450200084LOwner Name: GREATER FIRST COLONY AREA CIVIC ASSOLegal Description: LAKE PASBEHEGHLocal Address:

Easement:

NONE

Recorded Plat:

Maintenance Agreements: (in file as of scan date) NO


James}-City s~~~7 ~ J~~-'2""'~~ ~ ...... -

DATE: July 22, 2014

Stormwater Division

MEMORANDUM

TO: Michael J. Gillis, Virginia Correctional Enterprises Document Management Services

FROM: Jacob Smith, Stormwater Intern PO: 110426 RE: Files Approved for Scanning

NAME PDF/SCANNED FILE: \ FIRST COLONY LAKE PASBEHEGH PRIVATE DAM

BMP ID OR GEN I OWNER NAME: FILE NUMBER: JROO 1 FIRST COLONY

·"" PIN: 4540200084L SITE ADDRESS: 219 THE MAINE /! t:ff),1 v FAR (I

LEGAL DESCRIPTION: LAKE P ASBEHEGH

MAINTENANCE AGREEMENT IN BOOK/PAGE OR OTHER FILE: NIA DOCUMENT NO.: NIA DESCRIPTION: NIA

I BOX NO.: 11 I COMMENTS: I :VA1tlOU8 PILES

~


5. ConstructionPlan


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REFERENCE POINTS ABANDONED PIPE PLUG DETAIL

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TOTAL SITE TOTAL SITE TOTAL OPEN

2. DEMOLITION SHALL BE AS SHOWN DH THESE IJRAD«>S ANO PER THE SPECIAL CONDITK:INS AND SPECIFICATIONS.

3. EXISTING RTU ANTENNA SHALL BE RE-INSTALLED. JCSA WLL PROYID RTU FOR CONTRACTOR TO INSTALL.

4. DURING BYPASS PUMPNG OPERATlONS. THE CONTRACTOR SHALL PROVIJE TEMPORARY SAFETY FENCING AROUND THE PROPOSED MANHOLE.

5. TDPORARIL Y REMOVE EXISTIC CUARORAL FOR CONTRUCTIONS ENTRANCE. GUARDRAL SHALL BE REWSTALLEO AFTER CONSTRUCTION IS COMPLETE. ANY DAMAGE TO T1£ GIJARORAL SHAU BE AT THE CONTRACTOR'S EXPENSE.

6. CONTRACTOR SHAU. VERFY LOCATION/COHFIGtJIATION OF EXISTVfG FORCE MAIN PRIOR TO aJNSTRUCTION. EXISTWG FORCE MAN IS ASBESTOS CEMENT PPE. SEE SPEOAL CCNllTIONS.

• JR001_FIRST_COLONY_LAKE_PASBEHEGH_PRIVATE_DAM - 5 of 77

8. CorrespondenceWith Owners


Scott Thomas

From:

Sent:

To:

Subject:

Lynn Flood [[email protected]]

Friday, August 18, 2006 3:27 AM

Rogers, Thomas; Scott Thomas

FW: Lake Pasbehegh Depth Survey

Page 1of1

Attachments: Lake Pasbehegh Depth Survey 4 Large.doc

From: Bob Strang [mailto:[email protected]] Sent: Monday, August 14, 2006 2:19 PM To: Tim Harris; Lynn Flood Subject: Lake Pasbehegh Depth Survey

Lynn, Tim

Attached as a MS Word file are the results of the depth survey we did on August 11. I am not too proud of the image that shows the locations we measured, but with my limited software and computer skills, it is the best I could do. The extensive name of the attachment will give you an idea as to how many times I tried to improve it. any thoughts?

Bob Strang /),

6r,,£ ;;;~/ 1415; {/VI( #JJlll ·

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9/11/2006 JR001_FIRST_COLONY_LAKE_PASBEHEGH_PRIVATE_DAM - 7 of 77

Lake Pasbehegh Depth Survey August 11, 2006

The image below is a representation of Lake Pasbehegh and the points where depth measurements were taken. Because of the poor quality of the street names on the lake chart, the streets on either side of the measurement points are shown on the depth table. Measurements were taken as near as possible to the center of each portion of the lake. Depths were to the top of the silt layer. Accuracy is about+ or - one inch. This survey was done by Lynn and Dick Flood and Bob Strang.

Data Points Location Depth 1 Argall Town 7'7" 2 Arciall Town 2 7' 3 Arqall Town/Powie Cir 7'6" 4 Powie/Berkeley 5'2" 5 Powie/Jordan's Journey 8' 6 Bermuda Cir/Jordans Journey 7'1" 7 JordansJournev/Pasbehecih 6' 11" 8 Pasbehecih/Arciall Town 7'6" 9 Pasbeheqh 7'7'' 10 Falling Creek 7' 11" 11 Falling Creek/Lawnes 8'5" 12 Lawnes/Proctor 8'1" 13 John Rolfe 7'9" 14 Curles/The Main 10'1" 1 5 Dam 8 1811

16 Arqall Town 3 8 14 11

1 7 Arqall Town 4 8 14 11

18 Falling Creek/Argall Town 9'7" 19 Pasbehegh/Argall Town 8'1" 20 Pas beheci h/ Arcia II Town 8'2" 21 Arciall Town 4'1 O"


•

appeared that many of these areas could be enhanced for erosion control and water quality purposes by providing adequately lined ditches (paved, riprap or turf-reinforcement matted channels, etc.) which lead to adequate outlet protection pads. Outlet protection pads would be in accordance with Minimum Standard & Spec. 3.18 and 3.19 of the Virginia Erosion and Sediment Control Handbook. (These minimum standards can be accessed at DCR's website at http://www.dcr.virginia.gov/sw/e&s-ftp.htm). Work on these outfall's could proceed in a scheduled and priority fashion based on the HOA budget; however, proper plans, permits and approvals would be necessary through the County, VDOT (if the roadways are public) and the U.S. Army Corp. of Engineers and the Virginia DEQ, if wetland impacts are involved.

Dam Safety

Some concern was presented about whether the lake falls under the criteria of a permitted dam facility per the Virginfa Dam Safety regulations. Under the new regulations (2002), any dam over 6 feet in height with greater than 50 acre-feet of storage or over 25 feet in height with greater than 15 acre-feet of storage is included under the dam safety act. Although our Division has no detailed information to show the actual storage volume in the dam, it may very well be over 50 acre-feet as the storage is measured to the top of dam, which in this case is The Maine roadway.

It is our recommendation that dam height and volume be confirmed via office and field-based survey methods and a determination be made whether the dam falls under dam safety requirements. As our Division does not regulate this state program, further information will need to· be obtained from DCR Dam Safety Program staff at 804-3i1-6095. Additional information can be found at the DCR's Dam Safety website at http://www.dcr.virginia.gov/sw/damsafty.htm

As everyone lives in a watershed, it is recommended that watershed education information from the County's PRIDE (Protecting Resources in Delicate Environments) program be distributed to the GFCACA board, applicable committees and/or all residents within the community. This can be done by the community newsletter and/or distribution of the County's educational material. The County's PRIDE Website and watershed education material can be accessed at www.protectedwithpride.org

Hopefully, this material is helpful to your group to understand maintenance associated with Lake Pasbehegh. Please review the attached information and contact me at 757-253-6639 if you have any further questions or comments or ifthe GFCACA requests me to make a presentation at their board meeting. I sincerely look forward working with you in the future.

Attachments SJT/sjt

SWMProg\Education\Subdivisions\FirstColony.fc


J /L 00 I Page 1 of 1

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http://www.topozone.com/map.asp?lon=-76.8092&lat=3 7 .2406 8/6/2006


of4

Scott Thomas

From: Lynn Flood [[email protected])

Sent: Saturday, September 09, 2006 10:14 AM

To: Scott Thomas

Subject: FW: GFCACA: Lake Pasbehegh

Attachments: 11Mar2000.jpg; DSCF5487.JPG; DSCF5411.JPG; DSCF5503.JPG; DSCF5491.JPG; DSCF5501.JPG; DSCF5407.JPG; tape measure at edge of hole 29 sep 2000.JPG

From: Lynn Flood [mailto:[email protected]] Sent: Saturday, September 09, 2006 8:47 AM To: [email protected] Subject: GFCACA: Lake Pasbehegh

Scott, I am forwarding you an e-mail from the resident on the east side of the spillway. They took some photo's you may be interested in. Lynn

From: Tim Harris [mailto:[email protected]] Sent: Friday, September 08, 2006 4:19 PM To: Bob Strang Cc: Lynn Flood Subject: Fwd: RE: Questions about Lake Pasbehegh

X-SEF-Processed: 5 0 0 910 2006 09 08 16 32 48 --- - - - - - -X-SEF-2FFOBF71-9876-4B72-B032-6A1C43927FC: 1 From: "mary willoz" <[email protected]> To: "'Tim Harris"' <[email protected]> Subject: RE: Questions about Lake Pasbehegh Date: Fri, 8 Sep 2006 16:35:20 -0400 X-Mailer: Microsoft Office Outlook 11 thread-index: AcbS818Da6KUtVYNRQmEmPpRGzZY1 QAiOseA X-OriginalArrivalTime: 08 Sep 2006 20:32:48.0515 (UTC) FILETIME=[F2DA6D30:01C6D385]

Tim,

Is Mr. Fenton is referring to debris clogging the lake side of the spillway or the river side?

From our understanding, when the culverts under The Maine were built by VDOT, they included some sort of barrier on the lake side that prevented trees, etc., from flowing into the culverts that go under the road. We were told by someone who used to be on the Lake committee, that it was removed because it got so clogged up with trees and debris the water was backing up too high in the lake. So, now that there is nothing to stop the debris, it does flow through into the spillway. And, after a heavy rain, it comes through with great force on its way to the river. That is what is causing the erosion on the river side of the spillway.

I am attaching some pictures so you will see what mm referring to:

(1) The March 11, 2000 photo shows the erosion caused by Hurricane Floyd. After the hurricane we appealed to the civic


of4

association to come repair the easement (after all, it is their easement, even though it is on our property). After waiting a year and a half, the erosion was getting so bad that my husband and I had to have it repaired. (See the tape measure picture. ltl ls the last one of this series) The tape measure shows 32 feet of erosion after Floyd. You can understand why we couldn[t wait any longer for the association to repair the easement. We had to repair it ourselves. We lost quite a lot of land.

(2) The next two pictures shows a 2x8x 12 that has come through the spillway and gotten wedged in the easement. The next pictures shows the water flowing over it during Ernesto.

(3) This pictures shows how high the water got with Ernesto. Note the waterline.

(4) This picture shows the damage the waterflow causes, it inundates the trees, undermines them and they eventually fall into the spillway. This one appears just about ready to go. We have lost many trees this way over the years.

(5) This shows that the concrete in the spillway has collapsed and the water is now flowing underneath it.

(6) This shows the water flowing out into the James during Ernesto. It looked like a Class V rapid during Floyd.

I personally think the entire spillway needs to be rebuilt. It is my opinion that it really should be moved down to the dam as that is the natural way the water flows. I think you mentioned this fact in your article in the newsletter. It is being forced to flow in the wrong direction sending it through the current spillway.

My husband and I would like to invite you to come down to our house and check the spillway. I think you would have a better understanding of the situation. Our phone number is 259-4653.

I appreciate your time, and really feel a lot better knowing that someone is interested in this problem.

Sincerely, Mary Willoz

From: Tim Harris [ mailto:[email protected]] Sent: Thursday, September 07, 2006 10:45 PM To: mary willoz Subject: RE: Questions about Lake Pasbehegh

Mary,

Can you share some of your observations?

I have heard from Biggs Fenton that debris often clogs the spillway.

Tim

At 09:08 PM 91712006, you wrote:

Tim, Thank you for your prompt reply. We look forward to working with you on this project as we were concerned that the association leadership was not even aware of the situation with the spillway. Thank you, again. Mary

From: Tim Harris [ mailto:[email protected] ] Sent: Thursday, September 07, 2006 8:53 PM To: mary willoz Cc: [email protected]; Lynn Flood; Bob Strang Subject: Re: Questions about Lake Pasbehegh

Mary,


Thanks for your note ... we'll add you and your husband to our email correspondence so you can participate as we move forward.

The spill way is the lake drain that goes into the lake near you home. We are trying to come up with a plan to make sure that the spillway remains clear of debris at all times.

Other than that, I'm afraid we don't have many other ideas or plans for the spillway. We are considering including the clearing (of debris) on the spillway in the list of maintenance responsibilities for the work crew that may be hired to oversee the upkeep of our public areas.

We don't have plans to remove trees or anything like that, in case you were worried.

Tim

At 07:43 PM 9/7/2006, mary willoz wrote:

Dear Mr. Harris,

Page 3of4

My husband and I read with great interest your article on Lake Pasbehegh in the newsletter. We were wondering about the spillwayyou referred to in your article. Are you talking about the drainage ditch that flows under the street between 184 and 186 The Maine? As the owners of the property where the lake drains to the James River, we are very interested in your ideas and plans. We would like to be involved in any decisions made about this easement. Hopefully you can give us some insight into this problem area.

Respectfully,

Mary B. Willoz ([email protected])

Tim Harris [email protected]

LaTienda.com, "Celebrating 10 Years Online" 3601 La Grange Parkway - Suite 200 Toano, Virginia 23168 Tel (757) 566 9606, Fax (757) 566 9603 Toll Free: 800 710-4304 www.LaTienda.com


LaTienda.com, "Celebrating 10 Years Online" 3601 La Grange Parkway - Suite 200 Toano, Virginia 23168 Tel (757) 566 9606, Fax (757) 566 9603 Toll Free: 800 710-4304 www.LaTienda.com



LaTienda.com, "Celebrating IO Years Online" 3601 La Grange Parkway - Suite 200 Toano, Virginia 23168 Tel (757) 566 9606, Fax (757) 566 9603 Toll Free: 800 710-4304 www.LaTienda.com

9/11/2006

Page 4of4


DEVELOPMENT MANAGEMENT 101-E MOUNTS BAY ROAD, P.O. Box 8784, WIWAMSBURG, VIRGINIA 23187-8784 (757) 253-6671 Fax: (757) 259-4032 E-MAIL: [email protected]

ENvnloNMENTAL DMSION

(757) 253-6670 [email protected]

Ms. Lynn Flood

PuNNJNG (757) 253-6685 [email protected]

c/o Greater First Colony Civic Association 115 Argall Town Lane Williamsburg, Va. 23185

Re: Lake Pasbehegh Private Dam County ID Code: JR 001

Dear Ms. Flood:

COUNTY ENGINEER

(757) 253-6678 MOSQUITO CONTROL

(757) 259-4116

September 11, 2006

11 JAMES cm coum

Thank you for meeting with me on Monday August 7, 2006 to discuss stormwater management issues in First Colony. As discussed, I am forwarding you some "first contacf' information for your community association to use relative to maintenance of the above stormwater management facility. Also in this letter, I will be providing more detailed guidance on specific issues that we discussed in the field that day.

Lake Pasbehegh - General

There is very little information is available in our records for Lake Pasbehegh (County ID Code JR 001). The County does not consider this facility to be a Best Management Practice (BMP) facility as it was constructed well before adoption of the County's Chesapeake Bay Preservation ordinance in 1990; however, it is assumed that the lake was constructed to serve as some kind of quantity (flood) control feature or as an amenity to the community. Therefore, because of this and it's overall relative size and proximity to the James River, the facility is currently being tracked under the County's BMP Inventory and Inspection program; however, it is identified as a private dam. Based on County GIS, Lake Pasbehegh is approximately 28 acres in size and serves a drainage area of about 450 acres.

The actual dam (constructed fill) for the lake is along The Maine Roadway. There appears to be two main portions of embankment. One is the most visible, which is the dam embankment situated approximately 650 ft. east of the intersection of The Maine and John Rolfe Lane. This is the area where JCSA Lift Station LS # 1-8 is situated. The second area, although less visible but none the less important, is the dam embankment situated approximately 235 feet west of the intersection of The Maine and Powie Circle. At this location, the primary flow control structure for the lake is situated. Based on observations during our site visit, the primary spillway for the lake is a double large-sized ( 48 or 60 inch) corrugated metal pipe culvert which passes under The Maine roadway. Below the culvert pipes is a paved flume spillway and apron which traverses through private property, through a private easement, to the James River.


Ms. Lynn Flood c/o Greater First Colony Civic Association 115 Argall Town Lane Williamsburg, Va. 23185

Re: Lake Pasbehegh Private Dam County ID Code: JR 001

Dear Ms. Flood:

September 11, 2006

11•acma1m

Thank you for meeting with me on Monday August 7, 2006 to discuss stormwater management issues in First Colony. As discussed, I am forwarding you some "first contact' information for your community association to use relative to maintenance of the above stormwater management facility. Also in this letter, I will be providing more detailed guidance on specific issues that we discussed in the field that day.

Lake Pasbehegh - General

There is very little information is available in our records for Lake Pasbehegh (County ID Code JR 001 ). The County does not consider this facility to be a Best Management Practice (BMP) facility as it was constructed well before adoption of the County's Chesapeake Bay Preservation ordinance in 1990; however, it is assumed that the lake was constructed to serve as some kind of quantity (flood) control feature or as an amenity to the community. Therefore, because of this and it's overall relative size and proximity to the James River, the facility is currently being tracked under the County's BMP Inventory and Inspection program; however, it is identified as a private dam. Based on County GIS, Lake Pasbehegh is approximately 28 acres in size and serves a drainage area of about 450 acres.

The actual dam (constructed fill) for the lake is along The Maine Roadway. There appears to be two main portions of embankment. One is the most visible, which is the dam embankment situated approximately 650 ft. east of the intersection of The Maine and John Rolfe Lane. This is the area where JCSA Lift Station LS # 1-8 is situated. The second area, although less visible but none the less important, is the dam embankment situated approximately 235 feet west of the intersection of The Maine and Powie Circle. At this location, the primary flow control structure for the lake is situated. Based on observations during our site visit, the primary spillway for the lake is a double large-sized ( 48 or 60 inch) corrugated metal pipe culvert which passes under The Maine roadway. Below the culvert pipes is a paved flume spillway and apron which traverses through private property, through a private easement, to the James River.


First Contact Information

As a normal response to initial contact between a homeowner/civic association and myself, I have attached the following pieces ofuseful information along with this cover letter. Information includes:

• An overall map of the subdivision from our County GIS; • A general aerial map of the storm water management facility; • A watershed education brochure from our PRIDE program; • Landscaping tips for stormwater management BMP's; • Watershed awareness tips; • A sample maintenance plan for a wet/dry pond stormwater management facility; • Several brochures related to BMP maintenance and liability; • A publication by the Virginia OCR entitled Vegetation, Erosion and Dams

One of the BMP maintenance brochures is a good informational handout entitled A Guide for Maintaining and Operating BMP 's. This publication is distributed through our office in response to a cooperative effort from the Hampton Roads Regional Stormwater Management Committee and HR STORM, a regional stormwater education program offered by the Hampton Roads Planning District Commission.

The general maintenance plan as provided was prepared as a courtesy. The plan was prepared based on our general knowledge of maintenance required for these types of facilities and subsequent to our site inspection. It is provided for information and guidance purposes when no other specifically approved maintenance plans are available for use. The plans are not meant to replace or supersede any specific recommendations offered by a qualified professional. The maintenance plan only address normal structural, stormwater runoff control and aesthetic activities related to safe function of the facility. Landscaping, cosmetic or ornamental features associated with the facility are usually left to the discretion of the Owner, or its designated representative, unless these features deter from the structural integrity or the performance of water quality/quantity controls as designed and constructed for the facility.

Detailed Guidance

Based on field observations, the facility appears to be in satisfactory condition for its age. Adequate maintenance mowing is being performed routinely on the top berm of the facility especially at it's west end (near the lift station). However, the facility is in need ofregular (routine) maintenance typical of most wet pond/lake facilities. From our perspective, main concerns were the presence of trees on and along the downstream fill embankment areas; debris, obstructions and excessive tree growth in the vicinity of the primary flow control structure; deteriorated conditions (corrosion) of the primary flow control culverts; and deteriorated conditions of the concrete aprons at the downstream end of the primary flow control structureculverts.

Large trees 6-inch or larger in diameter, smaller saplings and heavy ground cover and vegetation are present on most of the downstream (engineered) fill embankment, especially at the west end of the dam. The tree cover is so dense at the west end of the dam (near the lift station) that it is very difficult to walk and observe the downstream conditions of the dam embankment. Several of the larger trees are well-established and roots have penetrated into the embankment zone.


Usually trees, shrubs and woody vegetation are not permitted to grow on any part of pond embankments constructed using engineered (compacted) fills, especially top of dam and the downstream (downslope) embankment. Saturated roots mats combined with high wind can cause trees to overtop. If these trees overtop and then combine with high water flows over the dam this can accelerate soil erosion and embankment failure could occur. Usually for this type of condition, we recommend that the subject trees be cut to or below ground level and be maintained in that fashion as to not disturb root systems that may already be extensive and efforts be made to replace the tree growth with an established low maintenance grass covering. A grass covering on the dam also aids in being able to easily inspect the dam for seepage and/or rodent damage.

There was a considerable amount of trash, debris and obstructive material at the base of the upstream end of the double large-sized culverts. This obstructive material should be removed on a routine basis to ensure that water surface elevations in the lake are not prematurely elevated. Elevated water levels (during dry, no-rainfall conditions) in the lake has two detrimental effects:

# I. Shoreline areas are inundated more frequently or on a permanent basis, rather than just on occasion. This results in property and other recreational type facilities and shoreline being inundated when they really should not be;

# 2. The chance for flow overtopping the dam is greatly increased as less storage volume is available in the lower levels of the lake during a rainstorm event. The water surface elevation in the lake will rise quicker and may overtop the dam rather than being contained within the dam.

It is recommended that the upstream end of the culverts be routinely inspected and cleaned of all debris and obstructive material to prevent these occurrences.

Finally, there were observations of deteriorated interior pipe conditions of the dual large-sized culverts which control flow and cross under The Maine. Although difficult to get to due to an abundance of tree growth and a higher than normal water surface elevation in the lake (due to obstructions), the culverts appeared to be bituminuous-coated corrugated metal pipe. This condition does not currently appear to be a major structural concern to the condition of the pipes or roadway; however, it should be monitored and repaired or recoated as necessary. Although the inner metal wall of the pipe did not appear severely corroded, over time a continued loss of the inner pipe wall coating will tend to lead to premature corrosion and possible failure of the pipe or pipe joint. If pipe or pipe joint deterioration continues, this can result in "piping" along the culverts and lead to subsidence or sink holes in the dam, which in this case is also The Maine roadway. Similarly, the concrete flumes and aprons at the downstream end of the culverts appear to be intact but in deteriorated condition and are in need of repair. It is our recommendation that a qualified professional engineer be retained by the HOA to assess the overall/unction of the lake'sjlow control ability and inspect the condition of the dual primary flow control culverts and outlet concrete apron and outfall channel and provide recommendations to the HOA/or repair or corrective action. If not controlled in an acceptable fashion, a seepage condition of this kind can result in internal and subsurjace erosion within the embankment portion of the dam and result in failure by 'Piping~ Piping is well documented to be a leading cause of dam failure.

Interior Roadside Channels:

A specific request by the HOA representative was to observe several storm drainage outfall locations which direct runoff into the lake. These areas were mainly at road fill locations where culverts are present or where channels (ditches) convey roadside runoff directly to the lake. It


appeared that many of these areas could be enhanced for erosion control and water quality purposes by providing adequately lined ditches (paved, riprap or turf-reinforcement matted channels, etc.) which lead to adequate outlet protection pads. Outlet protection pads would be in accordance with Minimum Standard & Spec. 3.18 and 3.19 of the Virginia Erosion and Sediment Control Handbook. (These minimum standards can be accessed at DCR's website at http://www.dcr.virginia.gov/sw/e&s-ftp.htm). Work on these outfall's could proceed in a scheduled and priority fashion based on the HOA budget; however, proper plans, permits and approvals would be necessary through the County, VDOT (if the roadways are public) and the U.S. Army Corp. of Engineers and the Virginia DEQ, if wetland impacts are involved.

Dam Safety

Some concern was presented about whether the lake falls under the criteria of a permitted dam facility per the Virginia Dam Safety regulations. Under the new regulations (2002), any dam over 6 feet in height with greater than 50 acre-feet of storage or over 25 feet in height with greater than 15 acre-feet of storage is included under the dam safety act. Although our Division has no detailed information to show the actual storage volume in the dam, it may very well be over 50 acre-feet as the storage is measured to the top of dam, which in this case is The Maine roadway.

It is our recommendation that dam height and volume be confirmed via office and field-based survey methods and a determination be made whether the dam falls under dam safety requirements. As our Division does not regulate this state program, further information will need to be obtained from DCR Dam Safety Program staff at 804-371-6095. Additional information can be found at the DCR's Dam Safety website at http://www.dcr.virginia.gov/sw/damsafty.htm

As everyone Jives in a watershed, it is recommended that watershed education information from the County's PRIDE (Protecting Resources in Delicate Environments) program be distributed to the GFCACA board, applicable committees and/or all residents within the community. This can be done by the community newsletter and/or distribution of the County's educational material. The County's PRIDE Website and watershed education material can be accessed at www .protectedwithpride.org

Hopefully, this material is helpful to your group to understand maintenance associated with Lake Pasbehegh. Please review the attached information and contact me at 757-253-6639 if you have any further questions or comments or ifthe GFCACA requests me to make a presentation at their board meeting. I sincerely look forward working with you in the future.

Attachments SJT/sjt

SWMProg\Education\Subdivisions\F irstColony .fc

Sincerely,

Scott J. Thomas, P.E. Chief Engineer - Storm water Environmental Division


Scott Thomas

From:

Sent:

To:

Subject:

Scott Thomas

Thursday, October 05, 2006 1 :00 PM

'[email protected]'

Lake Pasbehegh in First Colony

Attachments: FirstColony. fc2.pdf

Page 1of2

Part I - Clearing of Trees on Dams

Per our discussion, clearing associated with stormwater management facilities and dam impoundments, in a phased or entire project approach and as outlined in the report recently issued to your civic association (attached), is generally considered to be routine-obligated maintenance associated with such stormwater management facilities; therefore, a land-disturbing permit is not required per the County's Erosion and Sediment Control ordinance.

However, in doing such, you should abide by the following protocol:

1. Follow the guidelines issued in the September 11, 2006 letter report as well as the "first contact" educational material provided to you in September 11th transmittal;

2. Clearing should only be performed on the dam portion of the structure, which is the engineered fill component. No clearing of natural ground is necessary unless it is around flow control structure(s);

3. As Resource Protection Area (RP A) is designated below the dams, do not clear below the toe of dam on the downstream side. This would knock you in to a different regulatory process where review and approval would be necessary by our Division. This would fall under the County's Chesapeake Bay Preservation ordinance. However, routine maintenance associated with BMP facilities could be allowed by the program administrator;

4. Before any clearing takes place, as a courtesy please contact me at 757-253-6639 or the assigned Environmental Division inspector for that area (Mr. Greg Johnson) so that we are aware of the start of the activity and can monitor it in an appropriate manner. ·

Part II - GFCACA Questions

-Here are answers to your questions from your September 18th email. Sorry for the delay. Your questions are in regular text. Answers are in bold.

The meeting went well. Everyone was very appreciative of your report. No complaints, but then that would indicate they actually knew nothing about the problem. So, Education is in the forefront.

Lake Comm. Q's:

1. Is the water from the Green Spring's subdivision coming into our Lake? We need to know so that we can consult with them and test the water etc. etc. I know it is hard to get back there, but it seems to me there is a fault in their system. Why is water flowing continuously from their pond outflow during a drought? What do we need to do to investigate this?

Based on 5 foot topography from County GIS, it does not appear possible that any drainage from Greensprings and north of Route 5 can get into the Lake. It does come from Greensprings and north of Route 5 along Shellbank Creek which is west of the Lake. Shellbank Creek does not flow into the lake. If you mean Berkeley's Green, then that is true as drainage from this subdivision goes through their "dry"


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pond and then into the Lake. Even though a dry pond, continous water flow means that it is more than likely a perennial stream which would have flow year-around even during drought periods. I believe this is the case and the main reason why Lake Pasbehegh has a 100 foot RPA buffer around it as a perennial stream feeds the Lake. If a perennial stream feeds a lake, then that lake is considered as an RPA feature, which would have the 100 ft. buffer associated with it (Note: The method for determining perennial streams changed effective January 1, 2004 so lakes which were not previously designated as RPA could be now under the new definition. I believe that is the case for Lake Pasbehegh. If you have more questions about this you can talk to our watershed planner, Mike Woolson, who is also the person here who makes the call on perennial streams. His number is 253-6823. I'm sure he has some history with the perennial stream features at and around First Colony and some knowledge of the buffer around the Lake.)

2. You indicated our Lake was 23 acres. We had all read that it was 47. How did you get this info and where can we find it?

The number I gave was a rough approximation. Our County GIS has aerial mapping available for staff use. The aerial maps were done in 2005. County GIS shows the land parcel by which the Lake is situated shows at 27.8 acres (GPIN 4540200084C). This is the land parcel, not the actual size of the lake body. By use of a mapping tool in our GIS program, running a polygon around the lake shoreline - to the best of my ability - shows the lake size at 27.95 acres. This is around the shoreline where GIS shows water. I just cannot see how the actual lake body of water is 47 acres. You can get a better estimate from our County mapping folks. Talk to Kim Hazelwood, GIS Analyst with our Real Estate/Mapping Department. See can probably give you a more precise estimate of the size of the Lake.

3. Thanks Scott

Your Welcome.

Scott J. Thomas, P.E. Chief Engineer - Stormwater James City County Environmental Division

Visit: http://www.james-city.va.us/resources/devmgmt/div devmgmt environ.html and www.protectedwithpride.org


Scott Thomas

From:

Sent:

To:

Subject:

Scott Thomas

Tuesday, October 17, 2006 3:23 PM

'[email protected]'

Lake Pasbehegh

Attachments: FirstColony. fc2.pdf

Page 1of1

As requested, here is the unsigned version (in .pdf format) of my report recently forwarded to the civic association. Again, the County considers the Lake to be a private dam, not a Best Management Practice (BMP) facility.


Visit: http://www.james-city.va.us/resources/devmgmt/div devmgmt environ.html and www .protectedwithpride.org


Scott Thomas

From:

Sent:

To:

Scott Thomas

Wednesday, February 28, 2007 5:16 PM

Danny Poe

Subject: FW: Lake Pasbehegh Dam Maintenance

Attachments: FirstColony.fc2.pdf

Page I of 2

FYI - See the last two items at the end of the original email from Tim Harris as it relates to the pump station on Lake Pasbehegh.



From: Scott Thomas Sent: Wednesday, February 28, 2007 5:14 PM To: Darryl Cook; Mike Woolson; Pat Menichino; Joe Buchite Subject: FW: Lake Pasbehegh Dam Maintenance

FYI - I have been working with the First Colony HOA for several months on several educational fronts, one of them being maintenance of their private dam (report attached). The clearing that they are speaking of is trees on the downstream face of the dam only - routine maintenance of an existing dam. Just thought I'd forward this on to keep everyone in the loop so as nobody thinks they are clearing the RPA protected area. I specifically asked them to keep me posted on any progress on activities so there are no surprises.

I am not sure who the inspector is for that area, but Joe could you pass this on to them.

I will pass this on also to the JCSA for the last two issues.


Visit: http://www. james-city. va.us/resources/devmg_mt/djy devmgm t environ.htm I and www .protectedwithpride.org

From: Tim Harris [mailto:[email protected]] Sent: Wednesday, February 28, 2007 10:47 AM To: Scott Thomas Cc: Environmental Division Subject: Lake Pasbehegh Dam Maintenance

Scott,


of2

Hey, hope this note finds you well. Just wanted to give you the heads up that we are going to begin cleaning up the river side of the Pasbehegh dam, on The Maine. Our goal is for it to look pretty much like the Matoaka dam on Jamestown road, minus the stone work, when we are done. No Cypress trees will be cut and we will leave all stumps in place to hold the bank as per JCC's earlier recommendation. We will chip all waste material into a dumpster and have it removed to the landfill.

During a walk of the dam I saw some things that concerned me:

There are several areas of severe erosion in the area behind the JCC pump house. There are at least two areas of deep and significant loss of soil on the side of the dam. Do you think you guys could help us get that repaired. The Association has no money and I think it deserves serious attention.

I also observed that some of the pipes to the rear of the pump house are leaching acid waste. At the base of the dam, below the pump house I saw a pool of water 3 ft in diameter that was covered in a brown scum that didn't look quite right. Don't know if the two are related or even if that pool I saw was really polluted but I thought you might want to check it out.

Thanks again for the help. I am happy that we are finally underway in our goal to stabilize and maintain the dams on Lake Pasbehegh.

Tim Harris GFCA - Lake Chair 7577844245


of2

Scott Thomas

From: Scott Thomas

Sent: Wednesday, February 28, 2007 5:18 PM

To: 'Tim Harris'

Subject: RE: Lake Pasbehegh Dam Maintenance

Thanks for the update. I have notified all of our Environmental folks involved with enforcement just to keep them notified as to the impending routine maintenance planned for the dam. I have also forwarded on your information about the pump station to our Chief Engineer (JCSA). I will let you know what they say.



From: Tim Harris [mailto:[email protected]] Sent: Wednesday, February 28, 2007 10:47 AM To: Scott Thomas Cc: Environmental Division Subject: Lake Pasbehegh Dam Maintenance

Scott,





Thanks again for the help. I am happy that we are finally underway in our goal to stabilize and maintain the dams


on Lake Pasbehegh.


2/28/2007

Page 2 of2


Scott Thomas

From:

Sent:

To:

Cc:

Danny Poe

Monday, March 05, 2007 10:47 AM

Scott Thomas

Bob Smith; Larry Foster; Bill Harris


I inspected the station last Friday and noted the following:

Page 1 of 2

1. The appearance of a leaking pipe is actually from a drain on the bottom of our odor control canister that contains activated carbon media. Moisture that collects in the bottom of the canister it is periodically drained and this water (in very small amounts) is caustic. It is drained into a bucket and dumped in the wet well. It is likely that someone had previously drained the canister onto the concrete slab that it sits on resulting in the rust colored stain and slight deterioration of the concrete. Bill Harris, our wastewater facility superintendent, said he has discussed this with some of the First Colony representatives in the past. The small pool of brownish water at the base of the dam (approximately 15 yards toward the center of the dam from the station) is not, in my opinion, associated with this canister draining activity. 2. There is a fairly substantial erosion gulley on the back side of the dam behind the pump station. It is my opinion that the JCSA's facility or maintenance practices are not responsible for the erosion. I suspect that the erosion may have been caused by water overtopping the dam during previous hurricanes or tropical storms.

From: Scott Thomas Sent: Wednesday, February 28, 2007 5:16 PM To: Danny Poe Subject: FW: Lake Pasbehegh Dam Maintenance

FYI - See the last two items at the end of the original email from Tim Harris as it relates to the pump station on Lake Pasbehegh.


Visit: http://www.james-city.va.us/resources/devmg_mt!J.lj_y~_Q~_y_mgmt environ.html and www.protectedwithpride.org

From: Scott Thomas Sent: Wednesday, February 28, 2007 5:14 PM To: Darryl Cook; Mike Woolson; Pat Menichino; Joe Buchite Subject: FW: Lake Pasbehegh Dam Maintenance

FYI - I have been working with the First Colony HOA for several months on several educational fronts, one of them being maintenance of their private dam (report attached). The clearing that they are speaking of is trees on the downstream face of the dam only - routine maintenance of an existing dam. Just thought I'd forward this on to keep everyone in the loop so as nobody thinks they are clearing the RPA protected area. I specifically asked them to keep me posted on any progress on activities so there are no surprises.

I am not sure who the inspector is for that area, but Joe could you pass this on to them.

I will pass this on also to the JCSA for the last two issues.


Scott Thomas

From:

Sent:

To:

Scott Thomas

Wednesday, March 28, 2007 12:45 PM

'[email protected]'


You have to be very careful about this for several reasons.

Page 1of6

• Raising the current water level will result in less storage available in the lake for large storm events and may result in an increased frequency of overtopping which could further threaten the structural integrity of the dam. I would not recommend that you do this on your own without further hydrologic/hydraulic analyses of the function of the dam by a qualified engineer.

• Swampy areas that form next to the lake pool are due to low-lying areas and drainage. These wetland areas form over time. You may just push the "swampy" areas further upland and further up into lots.

• The US Army Corp of Engineers may have jurisdiction over wetlands around the lake. Raising the dam level may trigger the need for a wetland permit. I know it sounds insane, but lately they have viewed this type of thing as wetland impacts because the increased water level affects the wetlands (permanent inundation). We went through this at the Warhill site for County projects. The modifications we made to the dam could not raise the water surface beyond existing; otherwise, they would count that toward wetland impacts. We would not have any jurisdiction on this unless the work at the pipes resulted in disturbance over 2,500 square feet then a land-disturbing permit would be required. Disturbed area would include the work area, access to it and any stockpile/lay down areas. If we had to review and erosion and sediment control plan for land-disturbing permit purposes, we could not issue a land-disturbing permit until evidence of a wetland permit was provided.

• Also, l know the presence ofRPA/RPA buffer (since the January 2004 Chesapeake Bay ordinance revisions) has gotten many people around the lake upset. As in this case, the 100' RPA buffer is measured landward from water's edge, raising the lake a few inches to a few feet would push the 100 ft. buffer further landward.

So a simple idea starts to get pretty complicated ... This information may help you to defend a no action.


Visit: http://www.james-city.va.us/resources/devmgmt/div devmgmt environ.html and wvr_w.prntec1~dwitbp1:id~.org

From: Tim Harris [mailto:[email protected]] Sent: Wednesday, March 28, 2007 10:52 AM To: Scott Thomas Subject: RE: Lake Pasbehegh Dam Maintenance

Scott,

Sorry I missed. I am glad you were still able to see what I was talking about.

All the tree removal has been completed so there will be no further cutting.


Thanks again for all the help. I am getting a lot of pressure from lake owners to raise the level of the lake since it is pretty swampy now back in the coves.

An idea I had was to put in a sluice gate over part of the the drainage tubes with a wheel that could remove the gates by raising them above the tubes in case of a rain deluge.

Does that make sense?

Thanks again for the help.

Tim

From: Scott Thomas [mailto:[email protected]] Sent: Wednesday, March 28, 2007 9:04 AM To: Tim Harris Subject: RE: Lake Pasbehegh Dam Maintenance

Tim

Page 2of6

I don't know if I missed you yesterday. I got there about 5:30 and waited until 6:00. That's ok though I did get to look at the dam since the trees were cut. That's one of the benefits of removing trees from the darn as you get to see the true condition of the dam face. A lot of times thick ground or tree cover may mask a condition which is detrimental to the structural integrity of the dam (erosion, seep holes, damage from nuisance animals, etc.). What I saw yesterday verifies what I first thought. I believe the scour hole is due to when the dam overtopped. Water across the dam concentrated at the low point near the pump station and worked on a weakness at that location, perhaps a tree fell previously and left a divot hole or during the event a tree fell.

The good news is the scour hole does not appear to be seepage related. If it was that would mean that leakage through the dam is "piping" soil from the dam embankment which is a pretty serious condition. This appears to be only a surface erosion situation. Once the dam is cleared and debris removed you will get a better look at the situation. At this point, it appears that all that will need to be done is to fill the scour hole with compacted soil material and then seed and mulch the disturbed area. In this case, I would recommend that erosion control matting be placed over top the backfilled and seeded area to promote a healthy growth of grass and to provide extra protection until vegetation grows.

I've attached some information from the OCR Di vision of Dam Safety which will be helpful to understand vegetation and erosion on dams.

One word of caution. Please do not get beyond the toe of the dam (downstream) into the jurisdiction wetland and RP A. This would be south and west toward the creek/river. You can remove the trees from the dam as part of maintenance provisions on existing stormwater management facilities. If you get into the natural area, which is not part of the existing storm water facility, that gets into a whole new jurisdictional area.


Visit: http://www.james-city.va.us/resources/devmgmt/div devmgmt environ.html and www .protectedwithpride.org


From: Tim Harris [mailto:[email protected]] Sent: Wednesday, March 21, 2007 6:48 AM To: Scott Thomas Subject: RE: Lake Pasbehegh Dam Maintenance

that sounds great Scott.

I'll see you at 5: 15 or so on Tuesday.

my cell phone is 784 4245 is you need to change

thanks!

tim

From: Scott Thomas [mailto:[email protected]] Sent: Tuesday, March 20, 2007 4:33 PM To: Tim Harris Subject: RE: Lake Pasbehegh Dam Maintenance

Page 3of6

I sorry, I didn't read the email properly. I have no problem meeting after 5pm. How about 5:15/5:30 on Tuesday 3/27. We can just meet at the pump station area. Shouldn't take too Jong.


Visit: http://www.james-city.va.us/resources/devmg111_t!di~devmgmt environ.html and www,_prnt .. ..cNiiwith.priil~~~o_rg

From: Tim Harris [mailto:[email protected]] Sent: Tuesday, March 20, 2007 3:38 PM To: Scott Thomas Subject: RE: Lake Pasbehegh Dam Maintenance

Scott,

I can't meet at that time (mid day), but I can probably have on of my committee members join you. Would you like to do that or would it be possible to meet me at the end of the beginning of the work day?

Thanks. Unfortunately I work in Teano so it's a decent trip.

Tim

From: Scott Thomas [mailto:[email protected]]


Sent: Tuesday, March 20, 2007 2:55 PM To: Tim Harris Subject: RE: Lake Pasbehegh Dam Maintenance

Tuesday afternoon say 1 :OOpm. That's 3/27 I believe.



From: Tim Harris [mailto:[email protected]] Sent: Tuesday, March 20, 2007 2:27 PM To: Scott Thomas Subject: RE: Lake Pasbehegh Dam Maintenance

Scott,

Mondays aren't so good for me ... kid duty that evening. Would Tuesday work? I could meet you before 9 or after 5 if possible?

Page 4of6

With regard to the erosion: I don't believe any effluent from the pump station caused any erosion. I think that the fact that a heavy structure was placed on an earthen dam, using up pervious land, that there could be a negative impact on the dam.

We can talk about it more when we get together.

Tim

From: Scott Thomas [mailto:[email protected]] Sent: Monday, March 19, 2007 4:50 PM To: Tim Harris Subject: RE: Lake Pasbehegh Dam Maintenance

JCSA representatives inspected the lift station immediately following your previous request to us. They reported back to me their findings. I believe they did replace the drain which was drain pipe from the bottom of the odor control canister in the pump station. Relative to the two large sinkholes that you mentioned, the JCSA believes that they are unrelated to the operation of the lift station and may have been caused when the lake overtopped the dam during Ernesto and/or the nor'easter. I tend to agree as a sewage lift station would not have a procedure for discharge with velocities enough to cause that type of damage and the general area around the lift station does appear to be the low point where if the dam overtopped, water would have concentrated there. Trees at

that location on the dam would have also played a role and maybe caused the runoff to create very concentrated scour holes above or below tree trunks.

Perhaps I should visit the site with you to take a look at it together. I would also like to see maintenance work that was done on the dam so far. This week is pretty tied up for me. What's your availability next week, perhaps Monday?



Visit: http://www.james-city.va.us/resources/devmgmt/diy devmgmt environ.html and www .protectedwithpride.org

From: Tim Harris [mailto:[email protected]] Sent: Friday, March 16, 2007 10:03 AM To: Scott Thomas Subject: RE: Lake Pasbehegh Dam Maintenance

Scott,

Looks like they removed the barrel that was leaking behind the pump house. Thank you very much.

Page 5of6

The other item that needs attention are the two large sinkholes that are located downhill from the pump house. If these aren't filled soon, the pump house could start to slide into the river.

Once we have all the debris cleared and chipped we'll have a better idea of the scope of work ... probably just a dump truck full of fill but I wanted to make sure this was on your radar too.

We are currently investigating outside funds to assist us. The next project is to shore up the culvert drains and spillway which could be pricey.

Thanks again, Scott.

Tim Harris GFCA

From: Scott Thomas [mailto:[email protected]] Sent: Wednesday, February 28, 2007 5:18 PM To: Tim Harris Subject: RE: Lake Pasbehegh Dam Maintenance

Thanks for the update. I have notified all of our Environmental folks involved with enforcement just to keep them notified as to the impending routine maintenance planned for the dam. I have also forwarded on your information about the pump station to our Chief Engineer (JCSA). I will let you know what they say.


Visit: http://www.james-city.va.us/resources/devmgmt/div devmgmt environ.html and WWW.,PIQl~!;J~d_witb.prlde. or.g

From: Tim Harris [mailto:[email protected]] Sent: Wednesday, February 28, 2007 10:47 AM To: Scott Thomas


of6

Cc: Environmental Division Subject: Lake Pasbehegh Dam Maintenance

Scott,





Thanks again for the help. I am happy that we are finally underway in our goal to stabilize and maintain the dams on Lake Pasbehegh.



June 11, 2007

Jim Robinson Department of Conservation and Recreation - Dam Safety 203 Governor's Street Richmond, VA

Mike Schwinn, Section Chief United States Army Corps of Engineers Attn: CENAO-REG 803 Front Street Norfolk, VA 23510

Scott Thomas, County Engineer James City County 101-E Mounts Bay Road Williamsburg, VA 23188

Brian Noyes, District Manager Colonial Soil & Water Conservation District USDA Quinton Service Center P.O.Box 190 Quinton, VA. 23141

Gentlemen,

RECEIVED

JUN 2 6 2007

I write to you today as the president of the civic association of the First Colony residential development, located in James City County. The purpose of this correspondence is to solicit your assistance. We are considering potential construction activities needed to address concerns associated with the dam and spillway at Lake Pasbehegh, which is the centerpiece of the First Colony neighborhood.

Lake Pasbehegh is approximately 25 acres in size and was constructed in the late 1950's to early 1960's timeframe. Currently, the primary outfall of water from the lake occurs via two 16" culvert pipes which flow under The Maine, a primary roadway in our development. The configuration of the outfall and the primary dam poses as an impediment in managing the water level of the lake. During severe storm events, lake water levels raise sharply which causes water to flow over the primary dam and flows over The Maine (roadway).

Our home owner's association feels it must be more proactive in resolving this liability and correct the situation at Lake Pasbehegh now. We have witnessed the difficulties with Lake Powell, other lakes in James City County, and do not wish to be placed in a similar predicament. Therefore we would like to propose that all parties meet on site to discuss various options and associated regulations that will assist us in the development of a comprehensive strategy to protect our lake and community.

Thank you for your consideration.

Sincerely, / / -Z-- , ? . --r. /....-7'~


Gary Travis GFCA President 3304 Timber Ridge Road Williamsburg, Virginia 23185

[email protected]


Scott Thomas

From:

Sent:

To:

Scott Thomas

Wednesday, June 27, 2007 4:00 PM

'[email protected]'

Subject: Lake Pasbehegh Request

Attachments: FirstColony.fc2.pdf

Gary

Page 1of1

I am in receipt of your June 11, 2007 letter requesting an onsite meeting at Lake Pasbehegh. I certainly agree with and support your intention to have an onsite meeting about the issues that you outlined in your letter and would be glad to participate. It may be pretty hard to find a common date for the individuals listed. Do you have any ideas on a date or time to start with?

Just to let you know, I have been pretty active in the recent years with several public educational fronts, one being maintenance of the existing dam. Most recently, my contacts have been with Tim Harris, the GFCA Lake Chair and Lynn Flood who I believe is also on the board or on a priority committee. I was just involved with Tim in giving guidance as it pertained to removal of trees from the dam area near the pump station as trees on dams may pose a threat to it's structural integrity. I also sent a letter on September 11, 2006 to the HOA (attached) outlining many of our recommendations and some basic information about the lake/dam. I believe we have been using this letter as a guide to activities. The County considers this to be a private dam as it not officially a stormwater management/BMP facility.




ENVIRONMENTAL-STORMWATER TRANSMITTAL

PROTECTING RESOURCES

II DELICATE ENVIRONMENTS

COUNTY PLAN NO:

BMPIDCODE: ~----~J~R~o~o~'--------------------~ WATERSHED: ____ L~fl-K~F:;...____.t~1fl_:.._=;_5~~-F_-;/.:-t::_« _6-_lf ___ Ft--=f=--=':......:~t=~:...:..:~:..:....f~

D ENTIRE RECORD FILE

D ASBUILTS

D CONSTRUCTION CERTIFICATION

D COMPUTATIONS

OTHER: CotJ. fl. I- Lt~ r k ()J'VJ tJ cg, tit~!> e P',,;/- 1~ flz e JI( t7rJ/

I fl4/CF rt58Ef/E61f /e,

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NAME: $

DATE:


• •

L. Preston Bryant, Jr. Secretary of Natural Resources

t ./.. 1,!e . ~en . ~ )oF jv h-1150/J 01 i11-5'0'

G (e_1 . #11 ff t 7!/0 ·ltl' Joseph H. Maroon

Director

~;:~~:~~ock Regional Office COMMONWEALTH of VIRGINIA P.O. Box 1425 Tappahannock, VA 22560 DEPARTMENT OF CONSERVATION AND RECREATION Telephone: (804) 443-3803 FAX: (804) 443-4534 203 Governor Street

Cliff & Mary Willoz 186TheMain Williamsburg, VA 23185-1423

RE: SEAS# T08022

Dear Mr. & Mrs. Willoz:

Richmond., Virginia 23219-2010

(804) 786-6124

June4, 2008

RECEIVED

JUN - 6 2008

ENVIRONMENTAL DIVISION

l R~~~~~~~, 09 2ooa .fit:~~

On May 20, I met with you both and Cliff Love at your property on the James River in James City County. The site visit was in response to your request for advisory assistance concerning a channel erosion problem down stream of Lake Pasbehegh.

Water from Lake Pasbehegh's spillway discharges into a ravine and receiving channel shared by you and your neighbor to the East and empties into the James River. Water discharged out of the spillway immediately turns 90 degrees to the East and in less than 100' turns 90 degrees to the South and flows to the river. To control erosion, a concrete lined channel was constructed by VDOT to convey water through these sharp turns. The concrete lined channel is not functioning properly. At the time of my site visit, water was flowing under the structure thorough cracks in the concrete channel.

The receiving channel, below the concrete structure, appears to be inadequate to accommodate the volume and the velocity of flow from the spillway. The channel is eroding and the side slopes are vertical. At the River, the receiving channel has been lined with riprap in an attempt stabilized and protect the channel from storm wave erosion.

During the site visit we discussed how to convey water from the spillway to the River without causing further erosion to your property. We recommend that the existing concrete lined channel be repaired or replaced to convey the flow past the two 90 degree turns.

The channel banks, beyond the concrete lined channel should be graded to a 2: 1 (horizontal/vertical) slope or flatter. After bank grading a properly designed and constructed riprap channel liner should be installed to protect the eroding section of the receiving channel. A layer of filter cloth should be used under the riprap. After bank grading, a vegetative cover should be established.

State Parks •Soil and Water Conservation •Natural Heritage• Outdoor Recreation Planning Chesapeake Bay Local Assistance • Dam Safety and Floodplain Management • Land Conservation


(

.. Mr. & Mrs. Willoz Page2 June 4, 2008

We recommend you continue to work with all groups, owners and regulatory agencies such as VDOT, James City County, Division of Dam Safety and Floodplain Management and the Greater First Colony Civic Association in an effort to reach a viable, long-term solution to this problem.

Ifwe may be of further assistance or if you have any questions, please let me know.

cc: Cliff Love, Attorney Scott Thomas, James City County

Sincerely,

'h'!~/.~~ Michael L. Vanlandingham · Stormwater Compliance Specialist

David Coniff, DCR - Division of Dam Safety and Floodplain Management Robert Bennett, DCR - Tappahannock Regional Office Manager

\i


Frances C. Geissler

From: Sent: To:

Kerry Armbruster [email protected]] Monday, June 16, 2008 3:37 PM Frances C. Geissler; '[email protected]'

Cc: La Tienda - Tim Harris; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; Ed Martin; [email protected]; Pete Vermillion; [email protected]

Subject: RE: Lake Pasbehegh

You could have your meeting on Monday the 23rd or Friday the 27th, in the morning, at the clubhouse. Let me know if one of those work for you. Kerry

> From: [email protected] > To: [email protected] > CC: [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; [email protected] > Date: Mon, 16 Jun 2008 14:34:18 -0400 > Subject: RE: Lake Pasbehegh > > Jim: Thanks. I can be available on Friday, June 27, almost any time. The rest of the week is pretty full. Just let me know what time works best for you. > > > Fran Geissler > Stormwater Director > James City County > 287 Mclaws Cr Suite 1 > Williamsburg, VA 23185 > [email protected] > 757-259-1460 > 757-259-5833 fax > > > > -----Original Message-----> From: [email protected] [mailto:[email protected]] > Sent: Sunday, June 15, 2008 11:02 AM > To: Frances C. Geissler > Cc: La Tienda - Tim Harris; [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected]; Ed Martin; [email protected]; Pete Vermillion; Kerry > Armbruster; [email protected] > Subject: RE: Lake Pasbehegh > > Hi Fran, > > I've been dealing with VA-OCR on getting the operation and maintenance certificate for the dam. I think it would be useful to have a meeting to discuss the lake/outfall and the potential to assist us with flood/stormwater issues. I'll check with Kerry about the

1 JR001_FIRST_COLONY_LAKE_PASBEHEGH_PRIVATE_DAM - 40 of 77

availability of the clubhouse for the week of June 23, so anyone who is interested can attend. Are there any dates and times during the week of June 23 that work best for you? > > Thanks, > Jim > > ---- La Tienda - Tim Harris wrote: >>Very interesting Pete ... ! think it would probably be best to let Jim >> Szykman act as the point person here since he has already lined up a >> meeting with the JCSA in the past and is looking to do another >> meeting with Scott Thomas out of the Environmental office. >> >> Fran could be of great help to us. >> >> >> >> Tim Harris >> [email protected] >> >> LaTienda.com >> 3601 La Grange Parkway >> Teano, Virginia 23168 >> Tel (757) 566 9606, Fax (757) 566-9603 >> >> >> >> ~~~~~~~~~~~~~~-->> >> From: Pete Vermillion [mailto:[email protected]] >> Sent: Tuesday, June 10, 2008 3:10 PM >> To: La Tienda - Tim Harris; [email protected]; [email protected]; 'Ed >>Martin'; [email protected]; [email protected]; 'Jim Szykman'; >> [email protected]; [email protected]; 'Kerry Armbruster'; >> [email protected]; [email protected]; [email protected]; >> [email protected]; [email protected] >> Cc: [email protected] >> Subject: FW: Lake Pasbehegh >> >> >> >> Hey Tim and All; >> >> Fran Geissler lives in the neighborhood and works in the Stormwater >> Division at the county. She would like to get together and discuss >> the lake and the outfall and pass along information and possibly be >> of assistance in regards to our flood/stormwater issues. Anyone who >> is interested in meeting with her please email me and we will set a >> meeting time. Tim if there is anyone else on the lake committee that >> is not listed and you would like to include, please let them know too. >> >> Thanks >> >> Pete >> >> >> >> Vermillion and Associates, LLC


» » P.O. Box 6144 » >> Williamsburg, VA 23188 » >> 757-645-4692 bus » >> 757-645-4806 fax » >> 757-879-7602 cell » >> ~~~~~~~~~~~~~~---

» >> From: Frances C. Geissler [mailto:[email protected]] >> Sent: Tuesday, June 10, 2008 2:45 PM >> To: '[email protected]' >> Cc: Scott Thomas >> Subject: Lake Pasbehegh » » » >> Pete: Thanks for taking the time to talk with me about issues >> surrounding the lake. I would appreciate the opportunity to met with >> you and your lake committee to review our understanding of the lake >> as well as material previously supplied by Scott Thomas, JCC >> Environmental Division. I am available most days during office hours >> and can also be available in the evening. My contact information is below. » » >> » Thanks, » » » » Fran Geissler » » Stormwater Director » » James City County » » 287 Mclaws Cr Suite 1 » » Williamsburg, VA 23185 » >> [email protected] » » 757-259-1460 » >> 757-259-5833 fax » » >> » » » » »


>>

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Fran Geissler

From: Sent: To: Subject: Attachments:

Fran

So great to meet you!

Tim Harris [[email protected]] Monday, March 26, 2012 12:11 PM Fran Geissler FW: spillway tree removal in first colony FirstColony.fc2.pdf

My cell is 757 784 4245 and I am ready to talk 'lake talk' anytime!

I will look into finding the application but here is a summary that I pulled off the website: http://www.greaterfirstcolony.org/uploads/Jan082009 Dam Update.pdf

Tim

From: Scott Thomas [mailto: [email protected]] Sent: Monday, March 26, 2012 10:06 AM To: 'Tim Harris' Cc: Larry Foster; Greg Johnson; William Cain; Joe Buchite Subject: RE: spillway tree removal in first colony

Tim - I recall the same type of work being done on the dam a few years ago and I was involved with some education activities back in 2006 (copy attached). For this case, no permits are required through our office to perform routine obligated maintenance activities associated with a dam subject to the Virginia Dam Safety regulations. Thank you for notifying our Division. I will alert our Division inspector who is assigned to that location. Although Lake Pasbehegh is considered a private dam/lake in the County's BMP database, just to cover all of your bases, I would also alert the County's Stormwater Division as they keep track of maintenance activities as such for the County's MS4 permit. There phone number is 259-1460.

Please note that County e-mail addresses have changed. Please use: Scott. [email protected] for al/future correspondence

Scott J. Thomas Director of Engineering and Resource Protection

101-E Mounts Bay Road Williamsburg, VA 23185 P: 757-253-6639 F: 757-259-4032 jamescitycountvva.gov


As part of regular maintenance of the dam and spillway in the neighborhood, and in order to be compliant with the dam safety regs, all dams and spillways must be devoid of trees. There are two large ones on the lake side and a handful of others on the river side.

The neighborhood association has approved monies to remove the trees on the spillway between Argall Town and Powie Circle. I would like to proceed with a licensed and insured contractor that I have identified (Earnest Seldon) and want to first make sure there are no county approvals necessary for this maintenance work.

Only the trees on the two faces of the spillway are to be removed, with no work being down on the bottom land of the spillway where the broken causeway is located.

There are several large trees which have snapped in the last hurricane and the limbs are overhanging The Maine, so I am hoping to move as quickly as this coming weekend.

Please let me know if we can proceed. From what I understand, dam maintenance does not require special permitting, but I want to make sure.

Thanks!

Tim Harris

CEO

3601 La Grange Parkway

Toano, Virginia 23168

Tel (757) 741-4016, Fax (757) 566-9603

Visit: www.latienda.com

In Europe: euro.tienda.com

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11. Miscellaneous


Date Record Created:

Created By:

WATERSHED

BMP ID NO

PLAN NO

TAX PARCEL

PIN NO

CONSTRUCTION DATE

PROJECT NAME

FACILITY LOCATION

CITY-STATE

JR

001

4540200084L

Private Dam-Lake Pasbehegh

First Colony

Williamsburg, Va. 23185

WS BMPNO:

PRINTED ON

Print Record

Thursday, March 11, 2010 2:17:05 PM

CURRENT OWNER

OWNER ADDRESS

OWNER ADDRESS 2

First Colony Civic Assoc. GFCACA

P.O. Box 3036

CITY-STATE-ZIP CODE Williamsburg, Va. 23187

OWNER PHONE

MAINT AGREEMENT No

EMERG ACTION PLAN No

Get Last BMP No Return to Menu

MAINTENANCE PLAN

SITE AREA acre

LAND USE

old BMP TYP

JCC BMP CODE

POINT VALUE

SVC DRAIN AREA acres

SERVICE AREA DESCRI

IMPERV AREA acres

RECV STREAM

EXT DET-WQ-CTRL

WTR QUAL VOL acre-ft

CHAN PROT CTRL

CHAN PROT VOL acre-ft

SW/FLOOD CONTROL

GEOTECH REPORT

Additional Comments:

No CTRL STRUC DESC

CTRL STRUC SIZE inches

OTL T BARRL DESC

Private Lake OTL T BARRL SIZE inch

EMERG SPILLWAY No

DESIGN HW ELEV

PERM POOL ELEV

450 2-YR OUTFLOW cfs

10-YR OUTFLOW cfs

REC DRAWING No

SF Residential

CONSTR CERTIF No

UT of James River

No LAST INSP DATE Inspected by:

INTERNAL RATING No

MISC/COMMENTS

No Private Dam facility.

No


J p\. -oo l

Contents for Stormwater Management Facilities As-built Files

Each file is to contain:

1. As-built plan

2. Completed construction certification

3. Construction Plan

4. Design Calculations

5. Watershed Map

6. Maintenance Agreement

7. Correspondence with owners

8. Inspection Records

9. Enforcement Actions


Timeline of Activities • Early 2007 - Initial tree clearing at causeway and spillway.

• July 2007- Received notification from State Dam Safety Program - GFCA Application due to state by January 23, 2008.

• August 2007 - Solicited proposals for Engineering Services. - 2 proposals received.

• September 2007 - Awarded contract for Engineering Services - Site visit on October 3 with Joe Alexander from Alexcom & Assoc. and

Lake Committee.

• January 2008 - Letter sent to state requesting time extension and that VA-OCR notify James City Service Authority that they are part owner.


Timeline of Activities • March 2008 - Received draft documents from Alexcom & Assoc.

• February 2008 - Confirmed James City Service Authority (JCSA) owns land on causeway around lift station.

• April 2008 - Letter sent to Larry Foster (JCSA) requesting meeting on dam.

• May 2008 - Meeting held with JCSA at First Colony Club House (see attached meeting summary for details).

• July 2008 - Meeting with First Colony residents to report on status.


Activities to be completed • Receipt of comments from JCSA and incorporate into draft documents.

• Submission of documents requesting operation and maintenance certificate. - Application fee is based on hazard classification - $ 500 fee (low hazard) $1000 fee

(significant hazard) - application fee approved in 2009 GFCA budget.

- This application is reviewed by the Dam Safety Director and granted either a regular certificate (6 years) or conditional certificate (2 years).

• Based on the current deficiencies at the spillway we will be applying for a conditional operation and maintenance certificate. - Once approved the state sets the schedule for completion of work - we should plan

on this to be no longer than 2 years from approval.

- Minimum requirements: • Removal of trees on river side of spillway

• Installation of staff gage - estimate $500 - in approved 2009 GFCA budget.

• Professional Engineering services for design documents to correct deficiencies at spillway, will likely require survey.

• Construction permit application - ($1000 low, $2500 significant).

• Construction contract to correct spillway - Cost unknown.


General Summary of Dam Documents

• As Build Report - A general description on the history and condition of the dam and

provides the information necessary for Classification of Dam. - Requires certification by a Professional Engineer.

• Emergency Action Plan - A plan that will be followed at certain flood stages. - Requires a GFCACA resident to be appointed as "The Dam Operator".

• Operation and Maintenance Application - Provides a maintenance plan and schedule for the dam. - Basis for obtaining an operating certificate from the state.


..... " ~ ' •

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