Montana Well Data › Sheridan County
Sheridan County, Montana: well depth, water level & drilling cost
✓ 2,395 GWIC records · verified 2026-10-02
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How deep are wells in Sheridan County, Montana?
The median drilled well depth in Sheridan County is 99 ft, based on 2,341 wells with recorded depths in the state GWIC database. Half of all wells fall between 42 ft and 165 ft; 90% are shallower than 246 ft. Wells drilled since 2016 have a median depth of 108 ft.
How much does it cost to drill a well in Sheridan County?
Applying published per-foot rates to the local median depth of 99 ft: drilling and casing alone typically runs $2,475–$6,435; a complete system including pump, pressure tank, and hookup typically runs $5,940–$9,900. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Sheridan County?
The median static water level is 38 ft below ground surface (middle half of wells: 20 ft–80 ft), from 1,620 measurements.
How much water do wells in Sheridan County produce?
The median tested yield is 10 gpm (middle half: 5 gpm–20 gpm), from 1,493 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Sheridan County?
Companies by number of wells completed in this county since 2016, per filed well logs.
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Well records by ZIP code in Sheridan County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Dagmar (59219) — 536 wells, median 110 ft
- Westby (59275) — 446 wells, median 80 ft
- Plentywood (59254) — 297 wells, median 79 ft
- Homestead (59242) — 293 wells, median 126 ft
- Redstone (59257) — 286 wells, median 54 ft
- Outlook (59252) — 221 wells, median 99 ft
- Antelope (59211) — 209 wells, median 121 ft
- Medicine Lake (59247) — 189 wells, median 120 ft
- Reserve (59258) — 186 wells, median 93 ft
- Raymond (59256) — 128 wells, median 122 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.