1. City of Kingfisher: Using Historic Flooding to Quantify Damages
Brandon Claborn, P.E., CFM

2. HISTORY OF FLOODING Years of Flooding History (1912 Picture)
Typhoid Outbreak in 1948
Train Derailed in 2004
1 Death in 2007
$55M in Documented Losses
HISTORY OF FLOODING

3. BASIN LOCATION

4. TROPICAL STORM ERIN
August 2007
13” Rainfall Reported
Flash Flooding

5. SIGNIFICANT FLOODING

6. SIGNIFICANT FLOODING

7. SIGNIFICANT FLOODING

8. WHAT HAPPENED NEXT? Kingfisher Flood Initiative Established
Data Collected
Previous Studies Analyzed
NRCS Upstream Flood Control Structures
Railroad Bridge
Early Warning System
Levees
Acquisition & Relocation
Floodproofing
Channelization
Diversions

9. STATE FUNDING State Appropriation
$4Million
Administered Through Kingfisher County Conservation District and the Oklahoma Conservation Commission
Buyout & Relocation $7.5M
Floodproofing $1.63M
Flood Control Dams $11.5M
STATE FUNDING

10. MESHEK INVOLVEMENT Assist With Early Warning System Development
Identified HMGP Possibilities
Coordinated County Wide Hazard Mitigation Plan Update
Held Public Meeting
Began HMGP Application
Obtained New Topography
Updated Hydraulic Model
Obtained Finished Floor Elevations

11. EXISTING FLOODPLAIN

12. 2007 HIGH WATER MARK DATA

14. HYDROLOGY

15. RAINFALL

16. SPLIT FLOW

17. HYDRAUILC ANALYSIS August 2007 Hydrology Split Flow HEC-RAS WSEL
Compared HWM
Developed Updated Hydrology
Developed 10%, 2%, 1% and 0.2% Flood Profiles
126 Properties in Floodplain
Calculated Damages Based on Updated Data
Updated HMGP Application

18. HMGP APPLICATION 48 Proposed Acquisition Properties
25% are Repetitive Loss Properties
As of March 2011, these properties had cost the National Flood Insurance Program (NFIP) almost $1.0 million in identified claims.
At the time of the grant application, 12 of the 48 properties were insured under the NFIP, and 6 of the 12 were RLs with more than $625,000 in prior NFIP claims.
BCA
$5.8M Grant Awarded April 6, 2012

19. VOLUNTARY ACQUISITIONS

20. FUTURE PLANS Currently Preparing to Make Offers
Additional HMGP Applications Submitted
Additional Acquisition Projects Anticipated

21. SUMMARY Historical Flood Data is Important!
State and Federal Review is Time Consuming
Outreach is Extremely Important
Local Leadership Is Wonderful
Don’t Overlook State Responsibilities
Flexibility and Resilience is Key

22. Project Manager/Associate Principal
Questions?
Brandon Claborn, P.E. CFM
Project Manager/Associate Principal