A municipal separate storm sewer system (MS4) is a publicly-owned conveyance or system of conveyances (i.e., ditches, curbs, catch basins, underground pipes, etc.) designed or used for collecting or conveying stormwater and that discharges to surface waters of the state. Examples of MS4 operators include, but are not limited to, municipalities, counties, community development districts, universities, military bases or federal correctional facilities.
Operators of large, medium and regulated small MS4s are required to obtain NPDES permit coverage to discharge to waters of the state.
Explains which Phase II MS4s are regulated under the program, including automatic designation and designation by the permitting authority. Outlines stormwater management program requirements and details on how to obtain coverage under the Generic Permit.
NPDES Stormwater Program Florida Department of Environmental Protection 2600 Blair Stone Road, MS 3585 Tallahassee, FL 32399-2400 NPDES-MS4@FloridaDEP.gov
October 5, 2023 - 2:48pm
Interested in subscribing to DEP newsletters or receiving DEP updates through email?
The Florida Department of Environmental Protection is the state’s lead agency for environmental management and stewardship – protecting our air, water and land. The vision of the Florida Department of Environmental Protection is to create strong community partnerships, safeguard Florida’s natural resources and enhance its ecosystems.