Montana Well Data › Garfield County
Garfield County, Montana: well depth, water level & drilling cost
✓ 2,239 GWIC records · verified 2026-08-24
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How deep are wells in Garfield County, Montana?
The median drilled well depth in Garfield County is 180 ft, based on 2,199 wells with recorded depths in the state GWIC database. Half of all wells fall between 105 ft and 280 ft; 90% are shallower than 400 ft. Wells drilled since 2016 have a median depth of 235 ft.
How much does it cost to drill a well in Garfield County?
Applying published per-foot rates to the local median depth of 235 ft: drilling and casing alone typically runs $5,875–$15,275; a complete system including pump, pressure tank, and hookup typically runs $14,100–$23,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Garfield County?
The median static water level is 80 ft below ground surface (middle half of wells: 34 ft–150 ft), from 1,738 measurements.
How much water do wells in Garfield County produce?
The median tested yield is 10 gpm (middle half: 5 gpm–15 gpm), from 2,035 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Garfield County?
Companies by number of wells completed in this county since 2016, per filed well logs.
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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.