Health Division: Environmental Health
Well Permit Fees
The current fee for water well permits is $90. A
well driller must obtain a permit before beginning construction on a well,
including the following well types:
- Extraction well: any well used to extract water for
treatment or other processes
- Heat exchange well: a well used for extracting and
infecting groundwater for hearting or air conditioning purposes.
- Industrial well: a well that is used to supply
water for industrial processes, fire protection or similar nonpotable
- Irrigation well: a well that is used to
provide water for plants, livestock or other agricultural processes.
- Test well: a well that is used to obtain
information on groundwater quantity, suitability as a drinking water
source or aquifer characteristics for the purpose of designing or
operating a water supply well.
- Water supply well: a well that is used for provide
potable water for drinking or domestic purposes.
Wells Exempt from permitting
The types of wells are not regulated by Missoula
City-County Health Code, Regulation 5 are as follows:
- Monitoring wells used solely to detect the presence
of a contaminant in groundwater or soil, or to monitor groundwater
- Oil and gas wells constructed under the
jurisdiction of the Montana Department of Environmental Quality (MDEQ),
except those well converted to use as water wells.
- Dewatering wells less than twenty-five (25) feet
- Stabilizing wells on hillsides or earth
- Pits for soil evaluation tests.
- Drill holes for seismic exploration less than 25
- Other geotechnical exploratory borings.