Storage facility fees and licensing requirements: Wisconsin Administrative Code, Department of Natural Resources (NR) 670.001 to 670.510 and Appendices
Container requirements: NR 664.0170 to 664.0179 and NR 665.0170 to 665.0178 (interim status)
Hazardous waste storage tank requirements: NR 664.0190 to 664.0200, and NR 665.0190 to 665.0202 (interim status)
Surface impoundment requirements: NR 664.0220 to 655.0232 and NR 665.0220 to 665.0231 (interim status)
Containment buildings: NR 664.1100 to 664.1102 and NR 665.1100 to 665.1102 (interim status)
On-site storage rules for generators:
Satellite storage: NR 662.015
On-site storage rules for large quantity generators (LQGs): NR 662.017
On-site storage rules for small quantity generators (SQGs): NR 662.016
On-site storage rules for very small quantity generators (VSQGs): NR 662.014
Comparison: State vs. Federal
• Rules. Wisconsin follows the federal requirements for generators accumulating (storing) hazardous waste on-site without a permit through its adoption of the U.S. Environmental Protection Agency's (EPA) Hazardous Waste Generator Improvements Rule, effective in Wisconsin as of September 1, 2020. The state has added several more stringent rules in connection with licensing permitted storage facilities and with on-site accumulation of hazardous waste by very small quantity generators (VSQGs).
• Administration and enforcement. The Wisconsin Department of Natural Resources' (DNR) Environmental Management Division administers and enforces the hazardous waste storage rules in Wisconsin.