Ohio Effluent Limitations regulations & environmental compliance analysis

Ohio Effluent Limitations: What you need to know

Governing Law and Regulations

Water quality standards: Ohio Administrative Code (OAC) 3745-1-01 to 3745-1-54

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Beneficial use designations: OAC 3745-1-07

Narrative criteria: OAC 3745-1-04

Numeric criteria: OAC 3745-1-03

Antidegradation policy: OAC 3745-1-05

Permit limitations: OAC 3745-33-07

Alternative limitations: Ohio Revised Code Annotated (ORCA) 6111.042

Total maximum daily loads (TMDLs): OAC 3745-2-02

Regulatory Agencies

Ohio Environmental Protection Agency (OEPA) Division of Surface Water

U.S. Environmental Protection Agency Region 5

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Ohio generally follows EPA's federal guidelines in establishing effluent and toxic effluent standards for National Pollution Discharge Elimination System (NPDES) permits. In addition, the state has established some general prohibitions for discharges into its waters. For more information on the NPDES program, see the state section NPDES PERMIT.

Administration and enforcement. OEPA's Division of Surface Water is responsible for the administration and enforcement of the state's water pollution control laws.

State Requirements


OAC 3745-1-01 to 3745-1-54

Ohio has established rules requiring compliance with national effluent limitations and standards of performance for new sources, and national toxic and pretreatment effluent standards, as necessary, to ensure compliance with the federal Clean Water Act (CWA). OEPA may establish, on a case-by-case basis, effluent limitations through NPDES permits, issued to meet state water quality standards.

Under the CWA, every state must adopt water quality ...

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