Montana Well Data › Sweet Grass County
Sweet Grass County, Montana: well depth, water level & drilling cost
✓ 2,330 GWIC records · verified 2026-08-24
Pull every recorded well near a Sweet Grass County address — $39
How deep are wells in Sweet Grass County, Montana?
The median drilled well depth in Sweet Grass County is 85 ft, based on 2,280 wells with recorded depths in the state GWIC database. Half of all wells fall between 48 ft and 160 ft; 90% are shallower than 290 ft. Wells drilled since 2016 have a median depth of 130 ft.
How much does it cost to drill a well in Sweet Grass County?
Applying published per-foot rates to the local median depth of 130 ft: drilling and casing alone typically runs $3,250–$8,450; a complete system including pump, pressure tank, and hookup typically runs $7,800–$13,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Sweet Grass County?
The median static water level is 25 ft below ground surface (middle half of wells: 12 ft–48 ft), from 2,190 measurements.
How much water do wells in Sweet Grass County produce?
The median tested yield is 20 gpm (middle half: 10 gpm–35 gpm), from 2,173 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Sweet Grass County?
Companies by number of wells completed in this county since 2016, per filed well logs.
See every driller with wells on record in Sweet Grass County, ranked →
Get quotes from local drillers
See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $39Free. Goes to licensed drillers working Sweet Grass County.
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.