Montana Well Data › Prairie County
Prairie County, Montana: well depth, water level & drilling cost
✓ 1,734 GWIC records · verified 2026-10-02
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How deep are wells in Prairie County, Montana?
The median drilled well depth in Prairie County is 148 ft, based on 1,663 wells with recorded depths in the state GWIC database. Half of all wells fall between 65 ft and 300 ft; 90% are shallower than 800 ft. Wells drilled since 2016 have a median depth of 211 ft.
How much does it cost to drill a well in Prairie County?
Applying published per-foot rates to the local median depth of 148 ft: drilling and casing alone typically runs $3,700–$9,620; a complete system including pump, pressure tank, and hookup typically runs $8,880–$14,800. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Prairie County?
The median static water level is 62 ft below ground surface (middle half of wells: 22 ft–120 ft), from 1,070 measurements.
How much water do wells in Prairie County produce?
The median tested yield is 10 gpm (middle half: 5 gpm–15 gpm), from 1,357 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Prairie County?
Companies by number of wells completed in this county since 2016, per filed well logs.
| Driller | Wells since 2016 |
|---|---|
| ASKIN DRILLING | 31 |
| SHARP DRILLING INC | 31 |
| HIGGINS DRILLING COMPANY | 21 |
| PIRTZ WATERWORX LLC | 18 |
| H & H DRILLING | 17 |
| WEST CENTRAL ENVIRONMENTAL CONSULTANTS | 5 |
| WAHL CONSTRUCTION | 3 |
| WW DRILLING LLC | 2 |
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Well records by ZIP code in Prairie County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Fallon (59326) — 570 wells, median 50 ft
- Terry (59349) — 523 wells, median 68 ft
- Mildred (59341) — 338 wells, median 210 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.