Wisconsin GHG Management regulations & environmental compliance analysis

Wisconsin GHG Management: What you need to know

Governing Law and Regulations

Reporting greenhouse gas (GHG) emissions:

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

Mandatory reporting: Wisconsin Administrative Code, Department of Natural Resources (NR) 438.03

Voluntary reporting: Wisconsin Statutes Annotated (WSA) 285.78

GHG Permitting: NR 405.01 to 405.17, NR 407.01 to 407.16, 40 CFR 52.21, 40 CFR 52.2581, and 40 CFR 70 Appendix A

GHG reduction targets: Executive Order (EO) 38 (2019)

Other Climate Change Initiatives: EO 38 (2019)

Regulatory Agencies

U.S. Environmental Protection Agency (EPA) Wisconsin Department of Natural Resources (DNR) Air Program

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Applicable sources must comply with the federal greenhouse gas (GHG) reporting program under 40 CFR 98. In addition, the state has established carbon dioxide (CO2) reporting requirements.

Wisconsin has developed statutes, regulations, and executive orders (EO) addressing GHG emissions.

Administration and enforcement. The Wisconsin Department of Natural Resources' (DNR) Air Program administers the state's GHG management programs.

State Requirements


Mandatory Reporting

NR 438.03

State. Under NR 438.03, facilities that emit above the reporting threshold of 100,000 tons of CO2 must report CO2 emissions to DNR annually.

Federal. The U.S. Environmental Protection Agency (EPA) has implemented mandatory GHG reporting requirements for selected source categories. See the national section GHG MANAGEMENT for more information on mandatory GHG reporting.

Voluntary Reporting

WSA 285.78

Under WSA 285.78, Wisconsin established a voluntary GHG emissions reduction registry.


NR 405.01 to 405.17, NR 407.01 to 407.16, 40 CFR 52.21, 40 CFR 52.2581, and 40 ...

Read more about GHG Management