⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Toole County

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

✓ 837 GWIC records · verified 2026-06-10

38 ftmedian well depth
20 ft–115 fttypical depth range
23 ftmedian static water level
10 gpmmedian yield (408 tests)

How deep are wells in Toole County, Montana?

The median drilled well depth in Toole County is 38 ft, based on 803 wells with recorded depths in the state GWIC database. Half of all wells fall between 20 ft and 115 ft; 90% are shallower than 210 ft. Wells drilled since 2016 have a median depth of 26 ft.

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

Applying published per-foot rates to the local median depth of 26 ft: drilling and casing alone typically runs $650–$1,690; a complete system including pump, pressure tank, and hookup typically runs $1,560–$2,860. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Toole County?

The median static water level is 23 ft below ground surface (middle half of wells: 12 ft–70 ft), from 423 measurements.

How much water do wells in Toole County produce?

The median tested yield is 10 gpm (middle half: 4 gpm–34 gpm), from 408 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 491 50–100 ft 76 100–150 ft 95 150–200 ft 41 200–300 ft 48 300–400 ft 20 400–600 ft 19 600+ ft 13

Who drills wells in Toole County?

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

Drilling companyWells since 2016
OLYMPUS TECHNICAL SERVICES20
MONTANA SALINITY CONTROL ASSOCIATION17
BOLAND DRILLING7
CASCADE DRILLING LP6
PIONEER TECHNICAL SERVICES4
AQUASOURCE DRILLING LLC3
HANSEN ENVIRONMENTAL DRILLING3
WEST CENTRAL ENVIRONMENTAL CONSULTANTS3

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Looking at a specific property in Toole County?

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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.