Missouri NPDES regulations & environmental compliance analysis

Missouri NPDES: What you need to know

Governing Law and Regulations

Missouri Clean Water Law: Missouri Revised Statutes (Mo. Rev. Stat.) 644.006 to 644.580

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National Pollutant Discharge Elimination System (NPDES) permits: 10 Missouri Code of State Regulations (CSR) 20-6.010 to 20-6.020

Permits: 10 CSR 20-6.010

General permits: 10 CSR 20-6.010(13)

Construction permits: 10 CSR 20-6.010(4)

Operating permits: 10 CSR 20-6.010(5)

Hydrostatic testing permits: 10 CSR 20-6.010(14)

Domestic permits: 10 CSR 20-6.030

Permit exemptions: 10 CSR 20-6.010(1)(B)

Permit applications: 10 CSR 20-6.010(2)

Operating permit applications: 10 CSR 20-6.010(5)

Construction permit applications: 10 CSR 20-6.010(4)(C)

Application reviews: 10 CSR 20-6.020

Permit renewals: 10 CSR 20-6.010(5)(C)

Permit conditions: 10 CSR 20-6.010(8)

Permit fees: 10 CSR 20-6.011

Regulatory Agencies

Missouri Department of Natural Resources (DNR) Division of Environmental Quality Water Pollution Control Branch Water Protection Program

U.S. Environmental Protection Agency (EPA) Region 7

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Missouri is authorized by the U.S. Environmental Protection Agency (EPA) to administer the National Pollutant Discharge Elimination System (NPDES) permit program. The state's NPDES permit and modification requirements follow federal rules and include state forms, permits, and permit fees. See the national section NPDES PERMIT for more information about the federal program.

Administration and enforcement. DNR's Water Protection Program is responsible for the administration and enforcement of the NPDES permit program in Missouri.

State Requirements


Read more about NPDES