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Cooper Creek restudy underway; proposed FEMA map changes would remove most properties from flood zone but add three
Summary
Consultants presented early results of a Cooper Creek restudy. A Letter of Map Revision (LOMR) under preparation would reduce the number of properties in the mapped floodplain from 83 to 19 while adding three properties into the regulatory floodplain; council requested notice to affected property owners before any submission to FEMA.
City consultants updated Council on a Cooper Creek floodplain restudy initiated after a landowner’s request. The study covers about 1.8 miles of the creek from Smith Lake downstream to just below Miller Road. Consultants said older FEMA maps (last revised in 1979 for this reach) were inaccurate in several places and that a reanalysis of cross sections and updated lidar and field survey data produced markedly different flood limits.
What the study found: Using updated survey and hydrologic modeling, the team reported the reach under study would reduce the number of…
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