Oklahoma Wetlands regulations & environmental compliance analysis

Oklahoma Wetlands: What you need to know

Governing Law and Regulations

Section 401 State Water Quality Certification: Oklahoma Administrative Code (OAC) 252:610-3-1 to 252:610-3-11

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Oklahoma state water quality standards: OAC 785:45-5-25

Solid waste facilities:

Surface water requirements: OAC 252:510-17-8

Floodplain location restrictions: OAC 252:520-7-2

Operational standards: Oklahoma Pollutant Discharge Elimination System (OPDES) permit program: OAC 252:520-9-11

Regulatory Agencies

Section 401 State Water Quality Certification

Oklahoma Department of Environmental Quality (DEQ) Water Quality Division

Section 404 Permits

U.S. Environmental Protection Agency (EPA) Region 6

U.S. Army Corps of Engineers (Corps) Southwestern Division Tulsa District

Oklahoma Conservation Commission (OCC)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

· Rules. Although Oklahoma has no specific laws requiring permits for activity that may affect wetlands, wetlands are protected in the state under its water pollution control and groundwater protection laws, including the state's water discharge permit requirements under the OPDES. Wetlands are also protected under the federal Clean Water Act (CWA) Section 404 permitting programs that require state water quality certification. See the national and state sections GROUNDWATER and NPDES PERMIT, and the national section WETLANDS for additional information.

· Administration and enforcement. In Oklahoma, the Corps is responsible for administering the federal wetlands program under Section 404 of the CWA. DEQ reviews and certifies federal Section 404 dredge and fill permit applications and administers and enforces state water quality and ...


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