Helpful Information

Overview of NC Stormwater Programs (coming soon) ♦ Stormwater Rules and Regulations ♦ Frequently Asked Questions ♦ Approved Polyacrylamide (PAMS) Information ♦ Impaired Waters Information ♦ Construction-related Impaired Waters List
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NPDES Stormwater Program

The National Pollutant Discharge Elimination System (NPDES) stormwater permitting program regulates three types of activities: Industrial activities that fall in one of 10 categories; municipal separate storm sewer systems (MS4s); and construction activities that disturb an acre or more.  Our Unit issues general and individual permits for these activities.

About NPDES Stormwater Phase I & Phase II ♦ List of Covered Industrial Activities ♦ NPDES General SW Permits ♦ NPDES Forms & Documents ♦ Permit Fees ♦ No Exposure Exclusion ♦ Phase II Designation Updates ♦ Phase II MS4 Annual Report On-line ♦ Active Permit List
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State Stormwater Permitting Programs

The State Stormwater Permitting Programs regulate site devolopment and post-construction stormwater runoff control.  Areas subject to these permit programs include all 20 coastal counties, and various other counties and watersheds throughout the state.  Areas subject can be found using the Interactive Stormwater Permitting Map Viewer. 

About State Stormwater (SSW) Programs ♦ Coastal Stormwater ♦ DWQ BMP Manual ♦ SSW Forms & Documents ♦ Permit Fees ♦ Post-Construction Info Flyer ♦ What does Phase II have to do with State Stormwater? ♦ Active Permit List
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Stormwater Map and GIS Resources

Stormwater map and GIS-related information, including the Interactive Stormwater Permitting Map Viewer ♦ Urbanized Area Maps
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Watershed Information

NC TMDLs & Impaired Waters ♦ EPA Map Viewer with Impaired Waters ♦ Waterbody Classifications ♦ Basinwide Information System (BIMS) Reports
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Stormwater Rules and Regulations

State Stormwater (Post-Construction) Programs ♦ Federal NPDES Stormwater Program