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Stormwater ProgramOVERVIEW
Most states are authorized to implement the Stormwater NPDES permitting program. EPA remains the permitting authority in a few states, territories, and on most land in Indian Country. WHAT CAN I FIND ON THIS WEB SITE? This section contains technical and regulatory information about the NPDES stormwater program. It is organized according to the three types of regulated stormwater discharges – municipal separate storm sewer systems (MS4s), construction activities, and industrial activities. It also provides links to general stormwater topics and tools available. To access the full list of NPDES stormwater information, such as stormwater state contacts and stormwater state web sites, use the navigation tool box on the right side of this page. To search for additional information within the NPDES program, enter a keyword in the Search NPDES box at the top of this page.
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