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Watershed Improvement Strategy Guidance

Retrofit Program Plan Guidance Document For Pathogen Impaired Watershed MS4s on Long Island

The New York State Department of Environmental Conservation (NYSDEC) has finalized the "Retrofit Program Plan Guidance Document for Pathogen Impaired Watershed MS4s on Long Island". This document clarifies what the Department expects should be submitted by MS4 operators for retrofit plan submission in Watershed Improvement Strategy Areas as specified in Part IX.C of the SPDES General Permit for Stormwater Discharges from Municipal Separate Storm Sewer Systems (GP-0-15-003).

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