Montana Well Data › Lincoln County
Lincoln County, Montana: well depth, water level & drilling cost
✓ 8,162 GWIC records · verified 2026-10-02
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How deep are wells in Lincoln County, Montana?
The median drilled well depth in Lincoln County is 145 ft, based on 8,105 wells with recorded depths in the state GWIC database. Half of all wells fall between 61 ft and 265 ft; 90% are shallower than 400 ft. Wells drilled since 2016 have a median depth of 220 ft.
How much does it cost to drill a well in Lincoln County?
Applying published per-foot rates to the local median depth of 220 ft: drilling and casing alone typically runs $5,500–$14,300; a complete system including pump, pressure tank, and hookup typically runs $13,200–$22,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Lincoln County?
The median static water level is 50 ft below ground surface (middle half of wells: 20 ft–116 ft), from 7,612 measurements.
How much water do wells in Lincoln County produce?
The median tested yield is 20 gpm (middle half: 10 gpm–30 gpm), from 7,555 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Lincoln County?
Companies by number of wells completed in this county since 2016, per filed well logs.
| Driller | Wells since 2016 |
|---|---|
| DAVIS BROTHERS DRILLING | 440 |
| UNIVERSAL DRILLING | 405 |
| NORTH WEST DRILLING | 191 |
| POST PUMP AND DRILLING LLC | 136 |
| UNIVERSAL DRILLING LLC | 71 |
| POST PUMP & DRILLING LLC | 70 |
| CASCADE DRILLING LP | 70 |
| JOE LISS WATER WELLS, INC. | 70 |
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Well records by ZIP code in Lincoln County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Libby (59923) — 2,877 wells, median 77 ft
- Eureka (59917) — 1,390 wells, median 225 ft
- Rexford (59930) — 1,133 wells, median 240 ft
- Troy (59935) — 1,027 wells, median 92 ft
- Fortine (59918) — 404 wells, median 229 ft
- Trego (59934) — 296 wells, median 189 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.