Montana Groundwater Pollution Control System (MGWPCS) permits: Administrative Rules of Montana (ARM) 17.30.1001 to 17.30.1045
Groundwater classification: ARM 17.30.1006
Nondegradation requirement: ARM 17.30.1011
Groundwater mixing zones: ARM 17.30.1010
Mixing zone standards: ARM 17.30.517
Permits: ARM 17.30.1023
General permits: ARM 17.30.1042
Special permit conditions: ARM 17.30.1031
Permit duration: ARM 17.30.1032
Controlled Groundwater Areas: ARM 36.12.905 and ARM 36.12.906
Water well drilling: ARM 36.21.101 to 36.21.810
Agricultural chemicals: Montana Code Annotated (MCA) 80-15-101 to 80-15-414
Montana Department of Environmental Quality (DEQ) Permitting and Compliance Division
Montana Department of Natural Resources (DNR)
Montana Department of Agriculture (MDA)
U.S. Environmental Protection Agency (EPA) Region 8
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
• Rules. The state generally follows the federal requirements for groundwater monitoring for hazardous waste facilities. See the national section GROUNDWATER for additional guidance.
The Montana Department of Environmental Quality (DEQ) also issues Montana Groundwater Pollution Control System (MGWPCS) permits for discharges of wastewater to groundwater in the state (Administrative Rules of Montana (ARM) 17.30.1001 to 17.30.1045). The state has also developed a licensing program for water well drilling, which includes provisions for construction standards.
Montana has also enacted the Agriculture Chemical Groundwater Protection Act to protect groundwater supplies from agricultural chemical applications.
• Administration and enforcement.
State Requirements
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Type | Title |
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Checklists | Hazardous Waste TSDF Groundwater Monitoring Inspection Checklist |
Forms | Wellhead Protection Area Proximity Determination Request (Form 54297) |