EPA’s Stormwater Calculator Gets An Update | US EPA
https://www.epa.gov/sciencematters/epas-stormwater-calculator-gets-update
WEBJan 26, 2018 · EPA developed the National Stormwater Calculator, an online tool to help support local, state, and national efforts to reduce runoff using green infrastructure practices as low impact development controls. Using local soil conditions, land cover, slope, and historical rainfall records, the Calculator provides estimates of the annual amount and ...
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