the risk is real… be prepared! robert billings, pe, ph, cfm flood mitigation project manager...
TRANSCRIPT
The Risk is Real… Be PREPARED!
Robert Billings, PE, PH, CFMFlood Mitigation Project ManagerCharlotte-Mecklenburg Storm Water Services May 18, 2011
Briar & Little Sugar Creek Watersheds
ASFPM – Louisville, KY
Draft Floodplain Maps
The Risk is Real… Be PREPARED!
Mecklenburg County North Carolina
Mecklenburg County includes the City of Charlotte and the towns of Cornelius, Davidson, Huntersville, Matthews, Mint Hill, and Pineville (8 NFIP Communities)
Land Area: 549 square miles
The Risk is Real… Be PREPARED!
The Risk is Real… Be PREPARED!
The Risk is Real… Be PREPARED!
Local Flood Mapping Current maps are result of County-
wide FIS completed in February 4, 2004 at a cost of $2,000,000
350 miles of detailed study streams 32 watersheds FEMA and Community flood fringe and
floodway Data reproduced in state-wide format
effective March 2, 2009 182 panels, paper and digital forms Remapping began in 2007 on two
basins , expanded in 2008 to include the majority of the remainder of the county
The Risk is Real… Be PREPARED!
Public Meetings
Charlotte-Mecklenburg and draft flood map meetings
New Technology A different approach to public meetings
Using Technology to Involve the Public in the Remapping Process
The Risk is Real… Be PREPARED!
Meeting Purpose
Gather public input on draft Floodplain Maps Show new Risk Communication Products Show how information can be used Increase understanding of flood risk
“Sandwich Approach”
Land Use Task Force
Draft Floodplain Mapping Open House
Flood Insurance Rate Maps (Compliance Period)
Public Input
The Risk is Real… Be PREPARED!
Why Floodplain Maps Change
Flood Risk Changes Over Time
Technological Advancements
Natural & Man Made Land Changes
ClimatologicalChanges
• Extended Historic Rainfall Records
• Changes in Rain Intensity, Duration, Frequency, etc.
• Better Data• Improved
computer models
• Enhanced Map Products
• Natural Geomorphic Stream Changes
• Development within the Watershed
The Risk is Real… Be PREPARED!
Floodplain Mapping History
Protecting Life and Property Community Sustainability & Resiliency Communicate
& Reduce Flood Risk
Why are “Floodplains” Mapped?
Flood Insurance Regulate New Development Flood Preparedness Planning Mitigation And more…..
USES FOR FLOOD RISK INFORMATION
The Risk is Real… Be PREPARED!
First Maps Dated 1978 – 20041% annual chance Flood
Floodplain Mapping History
Current Maps 2004, 20091% annual chance Flood
Current Maps available online with additional property information
The Risk is Real… Be PREPARED!
What is Changing
Flood Insurance Rate Maps• FEMA Floodplain
(Flood Insurance)• Community Floodplain
(local use)• Floodways
New Flood Risk Products• 3D Flood Depth Maps• Annual likelihood of
flooding• Change Comparisons
New Floodzone Website• Delivery of Flood Risk
Information• Mapping• Risk Assessment• Risk Reduction
The Risk is Real… Be PREPARED!
What is Flood Risk
Likelihood of Flood Likelihood of Fire0%
10%
20%
30%26%
1%
Probability over 30 years
Likelihood of Event
(Probability)
Consequences / Impact
(Physical, Emotional, Financial)
Total Risk
The Risk is Real… Be PREPARED!
Using New Flood Map Products
Knowing your flood risk is the first step intaking actions toward Reducing your risk.
• Flood Likelihood• Flood Insurance Rate
Maps• Interactive Floodzone
Maps• Property data
Show Flood Risk
• Understanding Consequences
• Potential Damage ($)• Home, Car, HV/AC
Systems, Shed, Personal Property, Etc.
Know Flood Risk
• Floodplain Buyouts• Flood Mitigation
Projects• Preparedness and
Planning• Flood proofing• Elevation• Audible Alarms
Reduce Flood Risk
The Risk is Real… Be PREPARED!
Next Steps - Mapping Schedule
Incorporate Changes & Revisions
Create Preliminary
Flood Insurance Rate Maps –
February 2011
FEMA Quality Review and
Approval
Mandatory Compliance
Period - Additional
Public Meetings
Estimated “Effective Date”
~ July 2012
The Risk is Real… Be PREPARED!
Online Flood Map Review
http://mapserver.mecklenburgcountync.gov/fmr/ Public Review & Comment Period closes
November 16th
The Risk is Real… Be PREPARED!
Public Meetings
The website address of the FMR application was published prior to the meetings
The meetings began with a brief introduction and floodplain 101 presentation
After the introduction, the attendees were asked to find a staff member or open laptop station to view the new floodplain data
Three Public Meetings were organized during September and October of 2010
The Risk is Real… Be PREPARED!
The Risk is Real… Be PREPARED!
The Risk is Real… Be PREPARED!
The Risk is Real… Be PREPARED!
On-Line Survey Results
One-on-one sessions with laptops and Storm Water Services staff were helpful to me. 60% Strongly Agree
I would have preferred a traditional meeting with one formal presentation. 80% Disagree
Not including the public meeting, I have looked at the draft floodplain maps online. 90% Yes
Meeting attendees were asked to complete a brief online survey related to the mailers,
meetings and FMR application
The Risk is Real… Be PREPARED!
Tim Trautman, PE, CFM
Flood Mitigation
Program Manager
(704) 336-7357
Tim.Trautman@
MecklenburgCountyNC.gov
Robert Billings, PE, PH, CFM
Floodplain Mapping
Project Manager
(704) 432-0907
Robert.Billings@
MecklenburgCountyNC.gov
Thank You