Montana Well Data › Mineral County
Mineral County, Montana: well depth, water level & drilling cost
✓ 1,692 GWIC records · verified 2026-10-02
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How deep are wells in Mineral County, Montana?
The median drilled well depth in Mineral County is 122 ft, based on 1,674 wells with recorded depths in the state GWIC database. Half of all wells fall between 75 ft and 185 ft; 90% are shallower than 301 ft. Wells drilled since 2016 have a median depth of 140 ft.
How much does it cost to drill a well in Mineral County?
Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Mineral County?
The median static water level is 61 ft below ground surface (middle half of wells: 25 ft–105 ft), from 1,509 measurements.
How much water do wells in Mineral County produce?
The median tested yield is 30 gpm (middle half: 15 gpm–40 gpm), from 1,573 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Mineral County?
Companies by number of wells completed in this county since 2016, per filed well logs.
| Driller | Wells since 2016 |
|---|---|
| CALLISON WELL DRILLING | 86 |
| CAMP WELL DRILLING AND PUMP SERVICE | 81 |
| JEROMES DRILLING CO | 57 |
| CAMP WELL DRILLING & PUMP SUPPLY | 29 |
| WESTERN MONTANA DRILLING CO. | 23 |
| STEVE BERG WELL DRILLING | 17 |
| WESTERN MONTANA DRILLING COMPANY | 14 |
| ACE DRILLING | 11 |
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Well records by ZIP code in Mineral County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Superior (59872) — 884 wells, median 126 ft
- Saint Regis (59866) — 499 wells, median 101 ft
- De Borgia (59830) — 174 wells, median 58 ft
- Saltese (59867) — 87 wells, median 57 ft
- Haugan (59842) — 76 wells, median 40 ft
Method: medians computed from GWIC records (site type WELL, non-abandoned; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.