South Florida Water Management District (SFWMD) mandates strict design standards for stormwater management. Sizing your retention basins for a 25-year, 3-day storm event is the baseline for most site designs in Lee and Collier counties.
This requires precise calculation of pre-development versus post-development runoff. Furthermore, water quality treatment volume must be accounted for, ensuring pollutants are filtered before discharging into public systems. Sizing these systems correctly during early site planning prevents unexpected losses in buildable area later.
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