Wisconsin Mobile Sources regulations & environmental compliance analysis

Wisconsin Mobile Sources: What you need to know

Governing Law and Regulations

Vehicle inspection and maintenance (I/M) program: Wisconsin Administrative Code, Department of Transportation (Trans) 131

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Vehicle emission standards: Department of Natural Resources (NR) 485.05 and NR 485.06

Tampering: NR 485.06

Diesel particulate matter: NR 485.055

Visible emissions: NR 485.05

Clean Fuel Fleet Program: NR 487

Applicability: NR 487.01 and NR 487.02

Program phase-in: NR 487.03 and NR 487.04

Registration: NR 487.05

Compliance plan: NR 487.06 to NR 487.09

Vehicle labeling: NR 487.11

Employer trip reduction: NR 486


Stage II vapor recovery: NR 420.045 and 40 CFR 51.126

Regulatory Agencies

Wisconsin Department of Natural Resources (DNR) Air, Waste, and Remediation & Redevelopment Division (AWaRe) Air Management Program

Wisconsin Department of Transportation (DOT)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Many mobile source regulatory programs are implemented at the federal level and are having a positive effect on air quality in Wisconsin. In addition, the state has implemented vehicle inspections and maintenance (I/M), stage II vapor recovery, and clean fuel fleet programs, as well as requirements addressing emission control device tampering, diesel particulate matter emissions, and visible emissions. Several of these programs are implemented in selected counties in which such programs are necessary to attain and maintain the National Ambient Air Quality Standards.

Administration and enforcement. DNR's Air Management Program, in conjunction with the DOT, administers and enforces the mobile source programs in Wisconsin.

State Requirements


Read more about Mobile Sources

More on this topic:

Governing Law and Regulations
Regulatory Agencies
Comparison: State vs. Federal
State Requirements

Wisconsin Mobile Sources Resources

Type Title
Forms Stage II System Decommissioning Notification Form
See all Mobile Sources Resources