| Business | Phone |
| Air Quality Div 525 W Allegan St, Lansing 48933 | (517) 373-7023 |
| Waste Management Div 525 W Allegan St, Lansing 48933 | (517) 373-2730 |
| Surface Water Quality Div 300 S Washington Sq, Lansing 48933 | (517) 373-1949 |
| Dept-Environmental Quality 3423 N Logan St, Lansing 48906 | (517) 335-9216 |
| Drinking Water & Radiological 3423 N Martin L King Jr Blvd, Lansing 48906 | (517) 335-9218 |
| Environmental Quality Dept 525 W Allegan St, Lansing 48933 | (517) 335-4226 |
| Environmental Response Div 525 W Allegan St, Lansing 48933 | (517) 373-9837 |
| Environmental Science Board 525 W Allegan St, Lansing 48933 | (517) 373-4960 |
| Groundwater Division 608 W Allegan St, Lansing 48933 | (517) 373-8148 |
| Hazardous Waste Po Box 30241, Lansing 48909 | (517) 373-0530 |
| Land & Water Management 525 W Allegan St, Lansing 48933 | (517) 373-1170 |
| Land & Water Management Div 116 W Allegan St, Lansing 48933 | (517) 373-8000 |