⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Sheridan County

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

✓ 2,394 GWIC records · verified 2026-06-10

100 ftmedian well depth
42 ft–165 fttypical depth range
38 ftmedian static water level
10 gpmmedian yield (1,493 tests)

How deep are wells in Sheridan County, Montana?

The median drilled well depth in Sheridan County is 100 ft, based on 2,340 wells with recorded depths in the state GWIC database. Half of all wells fall between 42 ft and 165 ft; 90% are shallower than 246 ft. Wells drilled since 2016 have a median depth of 108 ft.

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

Applying published per-foot rates to the local median depth of 108 ft: drilling and casing alone typically runs $2,700–$7,020; a complete system including pump, pressure tank, and hookup typically runs $6,480–$11,880. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Sheridan County?

The median static water level is 38 ft below ground surface (middle half of wells: 20 ft–80 ft), from 1,620 measurements.

How much water do wells in Sheridan County produce?

The median tested yield is 10 gpm (middle half: 5 gpm–20 gpm), from 1,493 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 651 50–100 ft 519 100–150 ft 478 150–200 ft 277 200–300 ft 278 300–400 ft 84 400–600 ft 45 600+ ft 8

Who drills wells in Sheridan County?

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

Drilling companyWells since 2016
AGRI INDUSTRIES INC31
DLS CONTRACTING13
S & S DRILLING10
SK GEOTECHNICAL CO10
MONTANA SALINITY CONTROL ASSOCIATION7
WEST CENTRAL ENVIRONMENTAL CONSULTANTS5
AAQUA DRILLING INC4
MBMG3

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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.