North Carolina NPDES regulations & environmental compliance analysis

North Carolina NPDES: What you need to know

Governing Law and Regulations

National Pollutant Discharge Elimination System (NPDES) permit program: 15A North Carolina Administrative Code (NCAC) 2H.0101 to 2H.0142

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Applicability: 15A NCAC 2H.0102

Exemptions: 15A NCAC 2H.0106

Effluent limitations: 15A NCAC 2B.0402

Thermal discharges: 15A NCAC 2B.0211

Permit applications:

General permits: 15A NCAC 2H.0127

Filing applications: 15A NCAC 2H.0105 and 15A NCAC 2H.0106

Permit modifications: 15A NCAC 2H.0114

Reporting: 15A NCAC 2B.0506

Other discharges:

Pretreatment program: 15A NCAC 2H.0901 to 2H.0921

Discharges in coastal areas: 15A NCAC 2H.0401 to 2H.0407

Regulatory Agencies

North Carolina Department of Environment and Natural Resources (DENR) Division of Water Resources (DWR)

U.S. Environmental Protection Agency (EPA) Region 4

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. North Carolina has the authority from the U.S. Environmental Protection Agency (EPA) to administer the federal National Pollutant Discharge Elimination System (NPDES) permit program. This includes authority to grant individual and general discharge permits, permits for federal facilities and for pretreatment facilities. The state's NPDES permit and modification requirements generally follow federal rules. See the national section NPDES PERMIT for information on the federal permitting program.

Administration and enforcement. DENR's DWR administers and enforces North Carolina's NPDES permit program.

State Discharge Permits


North Carolina requires NPDES permits for a discharge from an outlet, point source, or disposal system discharging to the surface waters of the state, and ...

Read more about NPDES