Wisconsin Groundwater regulations & environmental compliance analysis

Wisconsin Groundwater: What you need to know

Governing Law and Regulations

Groundwater rules: Wisconsin Administrative Code, Department of Natural Resources (NR) 140 to NR 141

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Groundwater quality: NR 140.01 to 140.26

Well construction: NR 812.01 to 812.43

Quantity protection: NR 820.10 to 820.33

Pumping reports: NR 820.13

Groundwater management areas: NR 820.20

Hazardous waste monitoring: NR 664.0092

Concentration limits: NR 664.0094

Animal waste facilities: NR 243.14

Regulatory Agencies

Wisconsin Department of Natural Resources (DNR) Bureau of Drinking Water and Groundwater

Department of Commerce (DCOMM) ATCP

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

· Rules. Wisconsin has established groundwater quality and quantity protection regulations, and issues permits for high-capacity well systems in the state.

Wisconsin's groundwater monitoring and protection standards at hazardous waste facilities are the same as the federal regulations.

· Administration and enforcement. DNR administers the high-capacity well permitting system. DNR administers and enforces the groundwater monitoring rules for hazardous waste facilities in Wisconsin, and DNR regulates wastewater treatment systems, landfills, hazardous waste disposal sites, and spills. DCOMM regulates underground petroleum storage tanks and septic systems.

State Requirements


NR 140.01 to 140.26

Wisconsin has established groundwater quality standards for substances detected in or having a reasonable probability of entering the groundwater resources of the state. These regulations apply to all facilities, practices, and activities that may affect groundwater quality and that are regulated by the ...

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