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Residents, Flood Defenders tell commissioners county code and DOT need newer rainfall data for drainage design
Summary
Flood Defenders and residents said engineers are designing ponds and drainage systems with archival 1979 rainfall data, asking the county to require modern precipitation and sea‑level projections per state law and NOAA guidance.
A member of Flood Defenders and several residents urged the Board of County Commissioners to ensure the county and local engineers use up‑to‑date rainfall and sea‑level rise data in drainage and subdivision design, citing a change in Florida law and Federal guidance as a reason to reject designs that rely on archived 1979 precipitation tables.
Chris Kerr of Flood Defenders told the board county and subdivision drainage ponds designed with older rainfall frequency tables are failing and washing sediment onto properties and into creeks. Kerr cited recent legislative changes and said the Department of…
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