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Search results with tag "State stormwater standards"
Summary of State Stormwater Standards
www3.epa.govJun 30, 2011 · Standards 1 . New Hampshire 2003 MS4s . 1 acre disturbed area / 100,000 sf outside MS4s Infiltrate, evapotranspire, or capture first 1” Same as new development . 1 . Rhode Island 2011 . State-wide . 1 acre disturbed area . Capture and treat WQv equivalent to 1.2” rainfall runoff . WQv requirement may be waived or reduced by applying ...