Montana Well Data › Stillwater County
Stillwater County, Montana: well depth, water level & drilling cost
✓ 5,835 GWIC records · verified 2026-07-27
How deep are wells in Stillwater County, Montana?
The median drilled well depth in Stillwater County is 60 ft, based on 5,685 wells with recorded depths in the state GWIC database. Half of all wells fall between 33 ft and 126 ft; 90% are shallower than 247 ft. Wells drilled since 2016 have a median depth of 62 ft.
How much does it cost to drill a well in Stillwater County?
Applying published per-foot rates to the local median depth of 62 ft: drilling and casing alone typically runs $1,550–$4,030; a complete system including pump, pressure tank, and hookup typically runs $3,720–$6,200. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in Stillwater County?
The median static water level is 20 ft below ground surface (middle half of wells: 11 ft–42 ft), from 5,016 measurements.
How much water do wells in Stillwater County produce?
The median tested yield is 20 gpm (middle half: 8 gpm–40 gpm), from 4,956 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Stillwater County?
Companies by number of wells completed in this county since 2016, per filed well logs.
See every driller with wells on record in Stillwater County, ranked →
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See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $19Method: 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.