wria 43 phase 3 plan development

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WRIA 43 WRIA 43 Phase 3 Plan Phase 3 Plan Development Development Building a Watershed Plan Building a Watershed Plan with the Functions and Values with the Functions and Values of the WRIA 43 Planning Unit of the WRIA 43 Planning Unit May 16 May 16 th th , 2006 Meeting , 2006 Meeting

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WRIA 43 Phase 3 Plan Development. Building a Watershed Plan with the Functions and Values of the WRIA 43 Planning Unit May 16 th , 2006 Meeting. Steering Committee is developing and reviewing the contents of the Plan Scott BarrCarol Paul Dennis BlyDean White - PowerPoint PPT Presentation

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Page 1: WRIA 43 Phase 3 Plan Development

WRIA 43WRIA 43Phase 3 Plan Phase 3 Plan DevelopmentDevelopment

Building a Watershed Plan with the Building a Watershed Plan with the Functions and Values of the WRIA 43 Functions and Values of the WRIA 43

Planning UnitPlanning UnitMay 16May 16thth, 2006 Meeting, 2006 Meeting

Page 2: WRIA 43 Phase 3 Plan Development

Steering Committee is developing and Steering Committee is developing and reviewing the contents of the Planreviewing the contents of the Plan

Scott BarrScott Barr Carol PaulCarol Paul

Dennis BlyDennis Bly Dean WhiteDean White

Eddie JohnsonEddie Johnson Don RolfeDon Rolfe

JoAnne KrupkeJoAnne Krupke Dan RossmanDan Rossman

Dave Lundgren (LCCD)Dave Lundgren (LCCD) Keith Holiday (Ecol.)Keith Holiday (Ecol.)

Page 3: WRIA 43 Phase 3 Plan Development

OLD BUSINESSOLD BUSINESSTIME SCHEDULETIME SCHEDULE

Looking to get draft Watershed Plan submitted to Looking to get draft Watershed Plan submitted to Planning Unit at June 20Planning Unit at June 20thth, 2006 (grant requires by , 2006 (grant requires by July 17, 2006) so have time to review during July 17, 2006) so have time to review during summer.summer.

During summer (June-July) will conduct public During summer (June-July) will conduct public meetingsmeetings

Meeting with commissioners again in JuneMeeting with commissioners again in June Commissioner presentations & SEPA (Aug-Sept)Commissioner presentations & SEPA (Aug-Sept)

– Lincoln, Grant and Adams CountiesLincoln, Grant and Adams Counties

Page 4: WRIA 43 Phase 3 Plan Development

Old BusinessOld Business

1) 1) Spokane County UpdateSpokane County Update2) 2) 2007-2009 Budgets submitted2007-2009 Budgets submitted

– Propose an initial hydrostratigraphy studyPropose an initial hydrostratigraphy study– Initiate gauging at the outfall of WRIA 43 to include an Initiate gauging at the outfall of WRIA 43 to include an

estimate of groundwater dischargeestimate of groundwater discharge– Fund gauging at Rocky Ford and IrbyFund gauging at Rocky Ford and Irby– Conduct losing/gaining reach study on Crab Creek & Conduct losing/gaining reach study on Crab Creek &

Conduct FLIR study on Crab CreekConduct FLIR study on Crab Creek– Initiate well abandonment program (setup database, Initiate well abandonment program (setup database,

prioritize)prioritize)

3) 3) Voting StatusVoting Status

Page 5: WRIA 43 Phase 3 Plan Development

UPCOMING MEETINGS OF UPCOMING MEETINGS OF INTERESTINTEREST

May 17May 17thth (Wednesday): WRIA 59 Ecology discussion on (Wednesday): WRIA 59 Ecology discussion on the adjudication process: streamlined vs. normal. the adjudication process: streamlined vs. normal. Discussion on WRIA 59 adjudication, and potential Discussion on WRIA 59 adjudication, and potential adjudication in Spokane Valley Aquifer. Meeting at adjudication in Spokane Valley Aquifer. Meeting at Chewelah City Hall, 9-12 amChewelah City Hall, 9-12 am

May 18May 18thth (Thursday): CRI EIS Scoping Meeting. Colville (Thursday): CRI EIS Scoping Meeting. Colville Agricultural Trade Center, 4-7 pm. (also will be held in Agricultural Trade Center, 4-7 pm. (also will be held in Moses Lake at Fire Dept. Multi-purpose room from 4-7 pm Moses Lake at Fire Dept. Multi-purpose room from 4-7 pm on May 22on May 22ndnd.).)

May 24May 24thth (Wednesday): WRIA 54 discussion on (Wednesday): WRIA 54 discussion on adjudication and the Spokane Valley adjudication. Airway adjudication and the Spokane Valley adjudication. Airway Heights Community Center, 13120 W. 13Heights Community Center, 13120 W. 13thth Ave. Upstairs Ave. Upstairs Courtroom.Courtroom.

Page 6: WRIA 43 Phase 3 Plan Development

Basic Over Riding Principal of the Basic Over Riding Principal of the Watershed PlanWatershed Plan

““The Crab Creek watershed is a unique The Crab Creek watershed is a unique and poorly understood physical and and poorly understood physical and biological environment that requires biological environment that requires local input for management to protect local input for management to protect the interests and values of the the interests and values of the residents and landowners within the residents and landowners within the watershed”.watershed”.

Page 7: WRIA 43 Phase 3 Plan Development

MISSION STATEMENTMISSION STATEMENT

““To develop a plan to manage and To develop a plan to manage and protect the water and related resources protect the water and related resources in an environmentally and economically in an environmentally and economically sound manner that is in the interest of sound manner that is in the interest of the residents and landowners of the the residents and landowners of the

Upper Crab Creek Watershed.”Upper Crab Creek Watershed.”(adopted by PU on(adopted by PU on November 20th, 2001)November 20th, 2001)

Page 8: WRIA 43 Phase 3 Plan Development

INITIAL GOALSINITIAL GOALS

During the Phase I planning process, three goals During the Phase I planning process, three goals were identified for the planning process. These were identified for the planning process. These were approved by the Planning Unit in November were approved by the Planning Unit in November 2001 and were identified as:2001 and were identified as:– To analyze and document existing and historic status of To analyze and document existing and historic status of

water resources in the Upper Crab Creek Watershed water resources in the Upper Crab Creek Watershed and plan for the future needs of the citizens of the and plan for the future needs of the citizens of the watershed.watershed.

– To develop a plan for the people of the Upper Crab To develop a plan for the people of the Upper Crab Creek Watershed which respects cultural and historic Creek Watershed which respects cultural and historic values, as well as environmental functions of the values, as well as environmental functions of the watershed.watershed.

– To implement the plan and monitor its effectiveness in To implement the plan and monitor its effectiveness in meeting the intent of the mission statement with periodic meeting the intent of the mission statement with periodic evaluation.evaluation.

Page 9: WRIA 43 Phase 3 Plan Development

PHASE 3 GOALSPHASE 3 GOALS

– Water Quantity Goal:Water Quantity Goal: Define and manage the available water Define and manage the available water resources in the watershed for economic, domestic, and resources in the watershed for economic, domestic, and environmental uses.environmental uses.

– Water Quality Goal:Water Quality Goal: Improve overall water quality in surface and Improve overall water quality in surface and groundwater where determined necessary without adversely groundwater where determined necessary without adversely impacting the economy within the watershed.impacting the economy within the watershed.

– Habitat Goal:Habitat Goal: Maintain fish and wildlife habitat within the Maintain fish and wildlife habitat within the watershed for a balance of economic and recreational purposes watershed for a balance of economic and recreational purposes through efficient and effective management programs by local through efficient and effective management programs by local stewardship.stewardship.

– Instream Flow Goal:Instream Flow Goal: Evaluate flow within the mainstem of Crab Evaluate flow within the mainstem of Crab Creek to support the goals of the Plan and determine if an Creek to support the goals of the Plan and determine if an instream flow recommendation is warranted.instream flow recommendation is warranted.

– Water Storage Goal:Water Storage Goal: Develop feasible water storage projects to Develop feasible water storage projects to support and enhance water needs within the watershed.support and enhance water needs within the watershed.

Page 10: WRIA 43 Phase 3 Plan Development

PHASE 3 GOALSPHASE 3 GOALS

– 6) General Planning Goal:6) General Planning Goal: Develop a Develop a local comprehensive watershed plan local comprehensive watershed plan which provides a cooperative framework which provides a cooperative framework for water resource management and for water resource management and decision making in WRIA 43.decision making in WRIA 43.

– 7) 7) Economic GoalEconomic Goal: To implement and : To implement and promote water resource planning that promote water resource planning that encourages economic growth within the encourages economic growth within the watershed.watershed.

Page 11: WRIA 43 Phase 3 Plan Development

Recommended Minimum Flows for Recommended Minimum Flows for Protection of Fish Habitat (trout)Protection of Fish Habitat (trout)

MonthMonth Rocky FordRocky Ford IrbyIrby

Range in RptRange in Rpt Recom.Recom. Range in RptRange in Rpt Recom.Recom.

OctoberOctober 18-24 cfs18-24 cfs 18 cfs18 cfs 28 cfs28 cfs 28 cfs28 cfs

NovemberNovember 28-45 cfs28-45 cfs 28 cfs28 cfs >5 cfs>5 cfs 5 cfs5 cfs

DecemberDecember 28-45 cfs28-45 cfs 28 cfs28 cfs > 5 cfs> 5 cfs 5 cfs5 cfs

JanuaryJanuary 28-45 cfs28-45 cfs 28 cfs28 cfs > 5 cfs> 5 cfs 5 cfs5 cfs

FebruaryFebruary 28-45 cfs28-45 cfs 28 cfs28 cfs > 5 cfs> 5 cfs 5 cfs5 cfs

MarchMarch 50 cfs (3/1)50 cfs (3/1) 50 cfs50 cfs 10-28 cfs10-28 cfs 10 cfs10 cfs

AprilApril ↓↓ 37 cfs37 cfs 10-28 cfs10-28 cfs 10 cfs10 cfs

MayMay 24 cfs (5/31)24 cfs (5/31) 24 cfs24 cfs 10-28 cfs10-28 cfs 10 cfs10 cfs

JuneJune 18-24 cfs18-24 cfs 18 cfs18 cfs 28 cfs28 cfs 28 cfs28 cfs

JulyJuly 18-24 cfs18-24 cfs 18 cfs18 cfs 28 cfs28 cfs 28 cfs28 cfs

AugustAugust 18-24 cfs18-24 cfs 18 cfs18 cfs 28 cfs28 cfs 28 cfs28 cfs

SeptemberSeptember 18-24 cfs18-24 cfs 18 cfs18 cfs 28 cfs28 cfs 28 cfs28 cfs

Page 12: WRIA 43 Phase 3 Plan Development

Recommended FlowsRecommended Flows

0

5

10

15

20

25

30

35

40

45

50

Oct Nov Dec Jan Feb March April May June July Aug Sept

Rocky Ford

Irby

Page 13: WRIA 43 Phase 3 Plan Development

CONDITIONSCONDITIONS The Planning Unit does not want to recommend a reservation The Planning Unit does not want to recommend a reservation

account with the instream rule making process and does not support account with the instream rule making process and does not support any such reservation associated with the instream flow rule making any such reservation associated with the instream flow rule making process.process.

Ecology to only condition future surface water diversions to the Ecology to only condition future surface water diversions to the instream flow that are within the perennial reaches of Crab Creek at instream flow that are within the perennial reaches of Crab Creek at the Irby and Rocky Ford Road gauging locations, that section of the Irby and Rocky Ford Road gauging locations, that section of creek which is no further than 1.15 mile upstream of each gauging creek which is no further than 1.15 mile upstream of each gauging station (the reaches that were evaluated in the Phase 2 Technical station (the reaches that were evaluated in the Phase 2 Technical Assessment). This is recommended as a result of the hydraulic Assessment). This is recommended as a result of the hydraulic analysis conducted during the instream flow study between the two analysis conducted during the instream flow study between the two gauging stations which revealed that there is no correlation of flows gauging stations which revealed that there is no correlation of flows between the gauging stations and the creek is flowing under unique between the gauging stations and the creek is flowing under unique hydrologic conditions. And the findings that the instream flow hydrologic conditions. And the findings that the instream flow analysis is limited in its ability to represent the actual environment analysis is limited in its ability to represent the actual environment that exists throughout the Crab Creek Watershed.that exists throughout the Crab Creek Watershed.

Page 14: WRIA 43 Phase 3 Plan Development

CONDITIONS (cont)CONDITIONS (cont) Ecology to only condition future groundwater withdrawals to the Ecology to only condition future groundwater withdrawals to the

instream flow that are demonstrated to have a direct hydraulic instream flow that are demonstrated to have a direct hydraulic continuity to the creek, such as wells within the unconsolidated continuity to the creek, such as wells within the unconsolidated sediment aquifers. Also Ecology to exempt groundwater sediment aquifers. Also Ecology to exempt groundwater withdrawals from an interruptible status if they meet the following withdrawals from an interruptible status if they meet the following provisions:provisions:

– Groundwater withdrawal is extracting groundwater from the Grande Groundwater withdrawal is extracting groundwater from the Grande Ronde basalt aquifers.Ronde basalt aquifers.

– Groundwater wells are cased throughout the unconsolidated sediments Groundwater wells are cased throughout the unconsolidated sediments and a minimum of 200-feet into the basalt bedrock.and a minimum of 200-feet into the basalt bedrock.

– Proponent of a groundwater well to be completed in the unconsolidated Proponent of a groundwater well to be completed in the unconsolidated sediment aquifer and/or Wanapum aquifer that does not meet the sediment aquifer and/or Wanapum aquifer that does not meet the previous two criteria demonstrates there is not a direct hydraulic previous two criteria demonstrates there is not a direct hydraulic connection from the groundwater withdrawal to the stream reach where connection from the groundwater withdrawal to the stream reach where the gauging station is located, which is based upon best available the gauging station is located, which is based upon best available science. science.

Page 15: WRIA 43 Phase 3 Plan Development

CONDITIONS (cont)CONDITIONS (cont)

Ecology to reopen instream flow rule in 10-years after Ecology to reopen instream flow rule in 10-years after initial adoption date and reevaluate if flows should be initial adoption date and reevaluate if flows should be modified if additional data and analysis is available. modified if additional data and analysis is available. Ecology and WDFW will work with the WRIA 43 Ecology and WDFW will work with the WRIA 43 watershed group in a cooperative effort to reach watershed group in a cooperative effort to reach agreement on any future flow modifications, if proposed. agreement on any future flow modifications, if proposed.

Ecology or other state agencies will not propose any new Ecology or other state agencies will not propose any new or modify future existing instream flows within WRIA 43 or modify future existing instream flows within WRIA 43 unless they are negotiated and agreed upon with the unless they are negotiated and agreed upon with the local watershed planning group (and any subsequent local watershed planning group (and any subsequent adaptations to the implementation group). adaptations to the implementation group).

Page 16: WRIA 43 Phase 3 Plan Development

CONDITIONS (cont)CONDITIONS (cont)

Ecology is obligated to use the mutually Ecology is obligated to use the mutually agreed upon flow levels for their draft rule agreed upon flow levels for their draft rule and must start the process over from the and must start the process over from the beginning with local negotiated input if the beginning with local negotiated input if the public testimony at the hearings is strongly public testimony at the hearings is strongly for recommending a different flow level.for recommending a different flow level.

Ecology not to condition any domestic Ecology not to condition any domestic exempt wells to the instream flow ruleexempt wells to the instream flow rule

Page 17: WRIA 43 Phase 3 Plan Development

TABLE of ContentsTABLE of Contents

Preliminary TOC was reviewed by PU in Preliminary TOC was reviewed by PU in February 2006.February 2006.

Additions/Subtractions have been made Additions/Subtractions have been made while Plan is under developmentwhile Plan is under development

Need to approve one optionNeed to approve one option

Page 18: WRIA 43 Phase 3 Plan Development

SEPA OptionsSEPA Options

1.1. Adoption and Determination of Significance Adoption and Determination of Significance (DS):(DS): can be issued if it is determined that the can be issued if it is determined that the statewide EIS document adequately addresses statewide EIS document adequately addresses the probable significant adverse impacts the probable significant adverse impacts associated with the recommended alternatives in associated with the recommended alternatives in the Plan.the Plan.

- Does not require a public comment period or public Does not require a public comment period or public noticenotice

- Just notify agencies w/ jurisdiction, and interested Just notify agencies w/ jurisdiction, and interested partiesparties

Page 19: WRIA 43 Phase 3 Plan Development

SEPA OptionsSEPA Options

2.2. Adoption and Determination of Significance Adoption and Determination of Significance (DS) and addendum:(DS) and addendum: could be prepared and could be prepared and issued if is determined that the statewide EIS issued if is determined that the statewide EIS document adequately addresses the probable document adequately addresses the probable significant adverse impacts associated with the significant adverse impacts associated with the recommended alternatives in the Plan, but there recommended alternatives in the Plan, but there is a need to provide local decision makers with is a need to provide local decision makers with additional minor information regarding the Plan.additional minor information regarding the Plan.

- Requires preparation of addendum document to be Requires preparation of addendum document to be circulated w/ the notice of DScirculated w/ the notice of DS

- Does not require a public comment period or public Does not require a public comment period or public noticenotice

- Just notify agencies w/ jurisdiction, and interested Just notify agencies w/ jurisdiction, and interested partiesparties

Page 20: WRIA 43 Phase 3 Plan Development

SEPA OptionsSEPA Options3.3. Adoption and Supplemental Environmental EIS:Adoption and Supplemental Environmental EIS: could could

be prepared and issued if is determined that the be prepared and issued if is determined that the statewide EIS document addresses some, but not all, of statewide EIS document addresses some, but not all, of the probable significant adverse impacts associated with the probable significant adverse impacts associated with the recommended alternatives in the Plan, and there is a the recommended alternatives in the Plan, and there is a need to conduct additional environmental analysis.need to conduct additional environmental analysis.

- Notice of adoption is included in the supplemental EISNotice of adoption is included in the supplemental EIS- Lead agency does not have to conduct scoping Lead agency does not have to conduct scoping

meetingsmeetings- Draft Supplemental EIS is circulated to agencies and Draft Supplemental EIS is circulated to agencies and

public for 30-day comment periodpublic for 30-day comment period- Does require a public comment period and public Does require a public comment period and public

noticenotice- Prepare and circulate a final EISPrepare and circulate a final EIS

Page 21: WRIA 43 Phase 3 Plan Development

SEPA OptionsSEPA Options4.4. Adoption and Determination of Non-Adoption and Determination of Non-

Significance (DNS):Significance (DNS): could be issued if it is could be issued if it is determined that there are no probable significant determined that there are no probable significant adverse impacts associated with the adverse impacts associated with the recommended alternatives in the Plan.recommended alternatives in the Plan.

- Copies of adoption notice and DNS must be Copies of adoption notice and DNS must be circulated to Ecology and agencies w/ circulated to Ecology and agencies w/ jurisdictionjurisdiction

Page 22: WRIA 43 Phase 3 Plan Development

TASK 3 MemorandumTASK 3 MemorandumISSUEISSUE

1.1. ISF-1: WRIA 43 is a hydraulically unique and ISF-1: WRIA 43 is a hydraulically unique and complex system of streamscomplex system of streams

2.2. Wqual-1: Poor water quality is a threat to human Wqual-1: Poor water quality is a threat to human health and the environmenthealth and the environment

3.3. Hab-1: The physical and biological relationship in Hab-1: The physical and biological relationship in Crab Creek is one of the most poorly understood Crab Creek is one of the most poorly understood ecosystems in the northwestern United Statesecosystems in the northwestern United States

4.4. Wstore-1: There is insufficient available water Wstore-1: There is insufficient available water resources in WRIA 43resources in WRIA 43

5.5. Wquan-1: Management of water in WRIA 43 is Wquan-1: Management of water in WRIA 43 is requiredrequired

Page 23: WRIA 43 Phase 3 Plan Development

TASK 3 MemorandumTASK 3 MemorandumGOALSGOALS

1.1. ISF-1: ISF-1: - Started with 4 GoalsStarted with 4 Goals- Added 1 more during Plan writingAdded 1 more during Plan writing

2.2. Wqual-1:Wqual-1:- Started with 6 GoalsStarted with 6 Goals

3.3. Hab-1:Hab-1:- - Started with 3 GoalsStarted with 3 Goals

4.4. Wstore-1:Wstore-1:- Started with 3 GoalsStarted with 3 Goals- Added 1 more during Plan writingAdded 1 more during Plan writing

5.5. Wquan-1:Wquan-1:-- Started with 5 GoalsStarted with 5 Goals- Added 3 more during Plan writingAdded 3 more during Plan writing

Page 24: WRIA 43 Phase 3 Plan Development

Goal Prioritization Ranking- WRIA 43 Whole Planning Unit 1 2 3 4 5 Scr Rank

ISF-1 WRIA 43 is a hydraulically unique and complex system of streams             1

A Protect instream resources   2 4 6 7 75 2-T

B Understand the physical properties of the streams     3 11 5 78 1

C Address data gaps identified in Phase 2 Technical Assessment 2 3 6 4 4 62 12-T

D Understand the aquifer conditions in the WRIA   3 4 7 5 69 6-T

WQUAL-1 Poor water quality is a threat to human health and the environment             2

A Collect additional water quality data 3 2 7 2 5 61 16-T

B Further assess water quality data 2 3 6 5 3 61 16-T

C Improve impaired water bodies (lead to TMDL objectives) 4   4 6 5 65 8-T

D Protect high quality water 1 3 2 6 7 74 4

E Well Head Protection Plans within the WRIA are current 1 2 12 2 2 59 18-T

F Educate public about water quality issues 2 2 5 8 2 62 12-T

Hab-1The physical and biological relationship in Crab Creek is one of the most poorly understood ecosystems in the northwestern United States             3

A Further assess Habitat 3 1 7 7 1 59 18-T

B Protect existing fisheries habitat 4   2 6 7 69 6-T

C Educate public on habitat conditions 2 1 6 7 3 65 8-T

Wstore-1 There may be insufficient available water resources in WRIA 43             4

A Assess water availability 1   5 9 4 72 5

B Educate public on water availability   3 6 9 1 65 8-T

C Develop a balanced utilization of available water for needs in watershed 3 2 3 1 10 65 8-T

Wquan-1 Management of Water in WRIA 43 is required             5

A Understand the physical properties of surface and groundwater   1 3 11 4 75 2-T

B Development of a database of water resource information for WRIA   5 6 6 2 62 12-T

C Determine Growth projections for the WRIA 3 4 9 1 2 52 20

DCooperative management (shared governance) of water resources with state agencies 3 4 2 5 5 62 12-T

E Determine municipal water suppliers inchoate rights (???) 5 4 4 5 1 50 21

Page 25: WRIA 43 Phase 3 Plan Development

EARLY ACTION ITEMSEARLY ACTION ITEMS

The Planning Unit has a set aside of money The Planning Unit has a set aside of money from the Phase 3 Grantfrom the Phase 3 Grant

This money can be used to conduct early This money can be used to conduct early action items specifically identified in Planaction items specifically identified in Plan

Action items can consist of Development of Action items can consist of Development of Planning items, and/or initiation of studies Planning items, and/or initiation of studies on projectson projects

Need input on what the priority items are so Need input on what the priority items are so it can be spelled out in the Planit can be spelled out in the Plan

Page 26: WRIA 43 Phase 3 Plan Development

OPEN DISCUSSION ISSUEOPEN DISCUSSION ISSUE

Looking to the future – Implementing the Looking to the future – Implementing the Plan: Who-How-WhenPlan: Who-How-When

Forming a Watershed Implementation Team Forming a Watershed Implementation Team (WIT) to oversee and implement Plan(WIT) to oversee and implement Plan

Forward looking to setup a partnership to Forward looking to setup a partnership to assist in the water resource decision making assist in the water resource decision making in the watershedin the watershed

State law deems Ecology as the sole State law deems Ecology as the sole managers for water resourcesmanagers for water resources

Page 27: WRIA 43 Phase 3 Plan Development

Gene St.Godard, P.G., L.HGGene St.Godard, P.G., L.HG..

Principal Hydrogeologist/OwnerPrincipal Hydrogeologist/OwnerWater & Natural Resource GroupWater & Natural Resource Group

P.O. Box 28755, Spokane, WA 99228P.O. Box 28755, Spokane, WA 99228509-468-4876, 509-468-4876, [email protected]@comcast.net

www.wnrgroup.comwww.wnrgroup.com

Page 28: WRIA 43 Phase 3 Plan Development

NEXT MEETINGNEXT MEETING

June 20June 20thth DAVENPORTDAVENPORT

PUBLIC WORKS PUBLIC WORKS BUILDINGBUILDING

Page 29: WRIA 43 Phase 3 Plan Development

OPEN PUBLIC OPEN PUBLIC COMMENT COMMENT

PERIODPERIOD

QUESTIONS????QUESTIONS????

Page 30: WRIA 43 Phase 3 Plan Development

Flows-Rocky FordFlows-Rocky FordExceedence Curves for Crab Creek at Rocky Ford Road

(Station 12464770)

1.00

10.00

100.00

1000.00

10/1 10/31 11/30 12/30 1/29 2/28 3/30 4/29 5/29 6/28 7/28 8/27 9/26

Day of Year

Flow

(cfs

)

90% 80% 50% 30% 10%

Page 31: WRIA 43 Phase 3 Plan Development

Flows at IrbyFlows at IrbyExceedence Curves for Crab Creek at Irby (Station 12465000)

0

1

10

100

1000

10/1 10/29 11/26 12/24 1/21 2/18 3/18 4/15 5/13 6/10 7/8 8/5 9/2 9/30

Day of Year

Flo

w, c

fs

90% exceed 10% exceed 80% exceed 50% exceed 30% exceed

Page 32: WRIA 43 Phase 3 Plan Development

Instream flow recommendation for the Rocky Ford Road study reach with 30, 50, and 80 percent flow

exceedence curves

0

25

50

75

100

125

150

175

200

10/1 10/29 11/26 12/24 1/21 2/18 3/18 4/15 5/13 6/10 7/8 8/5 9/2 9/30

Day of the year

Flo

w (

cfs)

Recommended Flow 80% ex flow 50% ex flow 30% ex flow

Exceedence Flows and Recommended Flows at Rocky Ford Road

0

25

50

75

100

125

150

175

200

10/1 10/31 11/30 12/30 1/29 2/28 3/30 4/29 5/29 6/28 7/28 8/27 9/26

Day of Year

Flo

w (

cfs

)

90% 80% 50% 30% Flow recommendation

Page 33: WRIA 43 Phase 3 Plan Development