Wisconsin Contingency Plan regulations & environmental compliance analysis

Wisconsin Contingency Plan: What you need to know

Governing Law and Regulations

Hazardous waste contingency plan rules: Administrative Code, Department of Natural Resources (NR) 662.034(1)(d), NR 664.0050 to 664.0056, and NR 665.0050 to 665.0056 (interim status)

For a Limited Time receive a FREE EHS Report "Recordkeeping for EHS Managers." This special report contains a recordkeeping checklist to help you keep track of your records for major environmental laws and OSHA's Hazard Communication Standard. Download Now

Plan implementation notification: NR 664.0056(4)(b)

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 national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Wisconsin's contingency plan requirements for hazardous waste generators and treatment, storage, and disposal facilities (TSDFs) are the same as the federal requirements, but there is one additional state notification requirement.

Administration and enforcement. The Wisconsin Department of Natural Resources' (DNR) Bureau of Waste and Materials Management administers and enforces the hazardous waste contingency plan requirements in Wisconsin.

State Requirements


NR 664.0056(4)(b)

In addition to immediately notifying either the government official designated as the on-scene coordinator for that geographic region or the National Response Center of a fire, explosion, or other release that could threaten human health or the environment outside the facility, the Wisconsin Division of Emergency Government must be immediately notified at 800-943-0003 when the contingency plan is implemented.

Additional Guidance


The following violations of contingency plan rules are among the most common violations found by the DNR during hazardous waste inspections:

  • Failure to have or update the contingency plan. Most common items missing ...

Read more about Contingency Plan