Montana Well Data › Pondera County
Pondera County, Montana: well depth, water level & drilling cost
✓ 1,396 GWIC records · verified 2026-10-02
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How deep are wells in Pondera County, Montana?
The median drilled well depth in Pondera County is 36 ft, based on 1,352 wells with recorded depths in the state GWIC database. Half of all wells fall between 18 ft and 80 ft; 90% are shallower than 140 ft. Wells drilled since 2016 have a median depth of 84 ft.
How much does it cost to drill a well in Pondera County?
Applying published per-foot rates to the local median depth of 36 ft: drilling and casing alone typically runs $900–$2,340; a complete system including pump, pressure tank, and hookup typically runs $2,160–$3,600. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Pondera County?
The median static water level is 21 ft below ground surface (middle half of wells: 10 ft–48 ft), from 576 measurements.
How much water do wells in Pondera County produce?
The median tested yield is 10 gpm (middle half: 5 gpm–20 gpm), from 525 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Pondera County?
Companies by number of wells completed in this county since 2016, per filed well logs.
| Driller | Wells since 2016 |
|---|---|
| AQUASOURCE DRILLING LLC | 18 |
| BOLAND DRILLING | 11 |
| MONTANA SALINITY CONTROL ASSOCIATION | 10 |
| WILEY DRILLING | 5 |
| AQUASOURCE INC LLC | 5 |
| WEST CENTRAL ENVIRONMENTAL CONSULTANTS | 5 |
| WESTERN WATER WELLS | 4 |
| MT DEPT OF TRANSPORTATION | 3 |
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Well records by ZIP code in Pondera County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Conrad (59425) — 655 wells, median 28 ft
- Shelby (59474) — 393 wells, median 28 ft
- Valier (59486) — 320 wells, median 83 ft
- Dupuyer (59432) — 223 wells, median 70 ft
- Brady (59416) — 111 wells, median 43 ft
- Heart Butte (59448) — 80 wells, median 54 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.