⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Cascade County

Cascade County, Montana: well depth, water level & drilling cost

✓ 7,149 GWIC records · verified 2026-06-10

110 ftmedian well depth
38 ft–245 fttypical depth range
35 ftmedian static water level
22 gpmmedian yield (5,558 tests)

How deep are wells in Cascade County, Montana?

The median drilled well depth in Cascade County is 110 ft, based on 7,004 wells with recorded depths in the state GWIC database. Half of all wells fall between 38 ft and 245 ft; 90% are shallower than 457 ft. Wells drilled since 2016 have a median depth of 190 ft.

How much does it cost to drill a well in Cascade County?

Applying published per-foot rates to the local median depth of 190 ft: drilling and casing alone typically runs $4,750–$12,350; a complete system including pump, pressure tank, and hookup typically runs $11,400–$20,900. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Cascade County?

The median static water level is 35 ft below ground surface (middle half of wells: 15 ft–100 ft), from 5,904 measurements.

How much water do wells in Cascade County produce?

The median tested yield is 22 gpm (middle half: 10 gpm–40 gpm), from 5,558 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 2,052 50–100 ft 1,179 100–150 ft 867 150–200 ft 663 200–300 ft 746 300–400 ft 487 400–600 ft 662 600+ ft 348

Who drills wells in Cascade County?

Companies by number of wells completed in this county since 2016, per filed well logs.

Drilling companyWells since 2016
AQUASOURCE DRILLING LLC336
BOLAND DRILLING254
AAAA WATER WELL DRILLING INC153
CASCADE DRILLING LP96
MONTANA SALINITY CONTROL ASSOCIATION70
PAT BYRNE DRILLING INC63
AQUASOURCE INC LLC61
WESTERN WATER WELLS51

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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 2026-06-10) to the local median depth — full methodology & sources.