Variance hearings, Michigan Administrative Code (MAC) r. 281.329
National Pollution Discharge Elimination System (NPDES) variances: MAC r. 323.1103
Groundwater quality: MAC r. 323.2201 to 323.2210
Michigan Department of Natural Resources and Environment (DNRE)
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
• Rules. Michigan generally follows federal guidelines for NPDES variances. The state rules allow water quality variances for discharges into groundwater under certain circumstances and are dependent on the groundwater use in the area. For information on the federal guidelines, see the national section WASTEWATER VARIANCES.
• Administration and enforcement. DNRE administers and enforces Michigan's groundwater quality variances.
MAC r. 323.1103
The state grants variances on water quality-based effluent limitations, but is restricted by the following provisions:
A variance may be granted if the permittee ...