Welcome - Open House New Castle County Flood Studies May 23, 2 2017 New C Castle, e, DE
Thank you for attending This p s prese sentat atio ion l last sts a s about 4 4 minutes Aft fter w watching i it p ple lease le let s staff k f know ow i if f you you ha have ve a any y quest stio ions a s and conside ider v visit itin ing o our “stat ations” s” Floodpl plain ain M Mappin ing S Stat atio ion Floodp dplain M Map ap Appe ppeals an and d Co Comments Local al an and d Co Community St Staff Flood I d Insu surance 2
Project Extents Full St Study dy in include des : : • Brandywine-Christina Watershed AND • Additional New Castle County reaches This is me meeting is is focused d on N New Cas w Castle Co County and Incorpo porat ated A d Areas as 3
Why was this study done? Most st o of the f floodplai ain st studi dies for t for the hese s streams w were re obsole olete Sig Significan ant f floodpl plain ac accuracy issues for for re residents i in the hese are reas Expensive s surve veys ys b by residents to pu pursue map c map chan anges We beli lieve ve t the hese p prop roposed maps wil maps will l lessen man many o of these impa impacts an and d de depi pict f flood r risk isk more re a accurately ly 4
Milestones / Timeline Discovery Report released March 30, 2012 Project Kick-off May 22, 2014 Present draft products to communities – September 2015 Preliminary Floodplain Maps Released – December 2016 Present Preliminary maps at Open House – May 23, 2017 90 Day appeal period – September - December 2017 Effective Date for Maps – November 2018
Floodplain Accuracy Improved by Using Best Available Topography
Hydrology – Updated to Improve Estimates of Rainfall Runoff
Task 6 - Hydraulics – Updated to Improve Estimates of Flood Heights Legend Study Type Miles Previous Studies Detailed Detailed 12 Limited Detail Approximate Limited Detail 14 Redelineations Coastal Study Model-Backed Zone A 63 FEMA Effective Flood Hazard DFIRM Panel Boundary Redelineation 59 Total 148
How are updated floodplain maps used? In local floodplain regulations and building codes To design bridges and other infrastructure in flood prone areas By most lenders to comply with flood insurance purchase requirements By insurance companies in writing flood insurance policies To allow New Castle County residents to better understand flood risk To assist owners of properties in flood-prone areas to protect themselves from flood impacts 9
Getting More information about Floodplain Map Changes Dela lawar are’s F Flo lood Pl Plan anning Tool - http://d ://de.g .gov/f /flood oodplanning 10
FEMA Risk MAP Ne New Castle e Count unty, DE: E: From Pr Prel eliminary t to Ef Effect ctive What Happens Next? 1) Community Comment Period 2) 90-day appeal period 3) Finalization of FIRMs/FIS with additional Quality Review 4) Letter of Final Determination 5) New Maps go into effect (estimate November 2018)
For More Information DNREC Points of Contact: Michael Powell – michael.powell@state.de.us Greg Williams – gregory.williams@state.de.us Janice Shute – janice.shute@state.de.us New Castle County Points of Contact: John Gysling – jgysling@nccde.org FEMA Points of Contact: (For Mapping and Engineering) Nikki Roberts – nikki.roberts@fema.dhs.gov (For Flood Insurance issues) Rich Sobota – richard.sobota@fema.dhs.gov
Thank You for attending! Pl Please l let u us s know wh w what at y you thin ink, o or ask ask q questions. Also conside ider v visit itin ing t the i informat atio ional al s stat atio ions w s we have s set u up for you for you: Insurance ce Floodp dplain M Map ap Ch Chan anges Appe ppeals an and d corrections t to floodplain maps maps Co County L Lan and U d Use se st staff 13
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