Wisconsin Pretreatment Standards regulations & environmental compliance analysis

Wisconsin Pretreatment Standards: What you need to know

Governing Law and Regulations

Wisconsin Pollutant Discharge Elimination System (WPDES) permit program: Wisconsin Administrative Code, Department of Natural Resources (NR) 200.01 to 299.05

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Pretreatment permits: NR 211.01 to NR 211.41

Chloride discharges: NR 211.40

Mercury discharges: NR 211.41

State categorical pretreatment standards: NR 221.01 to NR 297.165

Septage service operators: NR 114.151 to 114.25

Private septage systems: NR 113.01 to 113.15

Applicability: NR 113.02

License requirements: NR 113.04

Septage disposal: NR 113.07

Inspections and servicing: NR 113.06

Regulatory Agencies

Wisconsin Department of Natural Resources (DNR) Division of Water Bureau of Watershed Management

U.S. Environmental Protection Agency (EPA) Region 5

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Wisconsin is fully authorized by the U.S. Environmental Protection Agency (EPA) to administer the National Pollutant Discharge Elimination System (NPDES) permit program in Wisconsin, including the pretreatment program. Wisconsin Pollution Discharge Elimination System (WPDES) permits are the state's equivalent of the federal NPDES permits. For more specific information on WPDES permits, see the state section NPDES PERMIT.

Wisconsin's prohibited discharge regulations are generally the same as the federal requirements. See the national section PRETREATMENT STANDARDS for more information about the federal requirements. The state has also developed its own categorical standards, which are geographically based. Contact the Wisconsin Department of Natural Resources (DNR) for assistance.

DNR requires certification of persons who ...


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