North Dakota Stormwater-Municipalities regulations & environmental compliance analysis

North Dakota Stormwater-Municipalities: What you need to know

Governing Law and Regulations

National pollutant discharge elimination system (NPDES) permit program: North Dakota Administrative Code (NDAC) 33-16-01-01 and NDAC 33-16-01-32

Regulatory Agencies
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North Dakota Department of Health (NDDH) Division of Water Quality NDDH Division of Waste Quality U.S. Environmental Protection Agency (EPA) Region 8

See ADDRESSES & CONTACTS for addresses and telephone numbers.

Comparison: State vs. Federal

· Rules.North Dakota is authorized by the U.S. Environmental Protection Agency (EPA) to administer the federal National Pollutant Discharge Elimination System (NPDES) permit program for wastewater discharges, including permitting authority for stormwater discharges associated with municipal separate storm sewer systems (MS4s). See the national section STORMWATER—MUNICIPALITIES for more information on the federal MS4 permitting program.

· Administration and enforcement. In North Dakota, the NDDH is responsible for administering the stormwater MS4 permitting program.

State Requirements


Under the NPDES stormwater program, operators of large, medium and regulated small MS4s require authorization to discharge pollutants under a NPDES permit. Regulated small MS4s are defined as all small MS4s located in "urbanized areas" (UAs) as defined by the Bureau of the Census and those small MS4s located outside of a UA that are designated by NPDES permitting authorities.

North Dakota issues an MS4 general permit for small MS4s. There are currently 18 MS4s regulated by the general permit in the state.

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