Wisconsin Hazardous Waste Generators regulations & environmental compliance analysis

Wisconsin Hazardous Waste Generators: What you need to know

Governing Law and Regulations

Rules for large quantity generators (LQGs): Wisconsin Administrative Code, Department of Natural Resources (NR) 662.010 to 662.089

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Rules for small quantity generators (SQGs): NR 662.010 to 662.089 and NR 662.190 to 662.194

Rules for very small quantity generators (VSQGs): NR 662.220

Reports: NR 662.040(2), NR 662.041, and NR 662.193


Generator environmental repair fee: NR 662.041(2)(d) and Wisconsin Statutes Annotated (WSA) 289.67

Groundwater and well compensation fees: WSA 289.63

VSQG hazardous waste management in containers and tanks: NR 662.220

Regulatory Agency

Wisconsin Department of Natural Resources (DNR) Division of Air and Waste Bureau of Waste and Materials Management Hazardous Waste Prevention and Management Section

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Wisconsin has adopted the federal rules for hazardous waste generators with several additions that make the state's rules more stringent. The state's more stringent rules apply to:

—On-site storage of wastes





Note: The federal class of conditionally exempt small quantity generators (CESQGs) (persons generating less than 100 kilograms (kg) of hazardous waste and no more than 1 kg of acutely hazardous waste per month) is called very small quantity generators (VSQGs) in Wisconsin.

Administration and enforcement. DNR's Bureau of Waste and Materials Management administers and enforces the hazardous waste generator rules in Wisconsin.

State Requirements


Although Wisconsin follows the federal rules for the time periods during which generators may accumulate ...

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