Primary Resources

Wisconsin Department of Natural Resources-Environmental Protection
101 S. Webster Street
P.O. Box 7921
Madison, WI 53707-7921
P: (608) 266-2621
P: (888) 936-7463


Air Division

Local Air Agencies

Madison & Dane County


Water Division


Hazardous Waste Division

OSHA Resources

Regional Office
230 South Dearborn Street, Room 3244
Chicago, IL 60604
P: (312) 353-2220

Appleton Area Office
1648 Tri Park Way
Appleton, WI 54914
P: (920) 734-4521

Eau Claire Area Office
1310 W. Clairemont Avenue
Eau Claire, WI 54701
P: (715) 832-9019

Madison Area Office
4802 E. Broadway
Madison, WI 53716
P: (608) 441-5388

Milwaukee Area Office
310 West Wisconsin Avenue, Room 1180
Milwaukee, WI 53203
P: (414) 297-3315


Onsite Consultation Program

University of Wisconsin
State Laboratory of Hygiene
141 NW Barstow St. 4th floor
Waukesha, WI 53188
P: (800) 947-0553
P: (608) 226-5240