Montana Well Data › Sanders County
Sanders County, Montana: well depth, water level & drilling cost
✓ 4,916 GWIC records · verified 2026-10-02
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How deep are wells in Sanders County, Montana?
The median drilled well depth in Sanders County is 165 ft, based on 4,773 wells with recorded depths in the state GWIC database. Half of all wells fall between 72 ft and 300 ft; 90% are shallower than 400 ft. Wells drilled since 2016 have a median depth of 240 ft.
How much does it cost to drill a well in Sanders County?
Applying published per-foot rates to the local median depth of 240 ft: drilling and casing alone typically runs $6,000–$15,600; a complete system including pump, pressure tank, and hookup typically runs $14,400–$24,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Sanders County?
The median static water level is 54 ft below ground surface (middle half of wells: 20 ft–131 ft), from 4,416 measurements.
How much water do wells in Sanders County produce?
The median tested yield is 25 gpm (middle half: 11 gpm–40 gpm), from 4,460 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Sanders 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 Sanders County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Plains (59859) — 1,370 wells, median 120 ft
- Thompson Falls (59873) — 1,122 wells, median 157 ft
- Trout Creek (59874) — 853 wells, median 200 ft
- Hot Springs (59845) — 502 wells, median 216 ft
- Noxon (59853) — 474 wells, median 122 ft
- Paradise (59856) — 350 wells, median 100 ft
- Lonepine (59848) — 322 wells, median 279 ft
- Heron (59844) — 278 wells, median 260 ft
- Dixon (59831) — 199 wells, median 98 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.