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Montana water data · County

Wheatland County: well depth, groundwater and water rights

What the public record says about water in Wheatland County: how deep wells go, where the water table sits, what wells produce, which water rights are on file, and which documented environmental sites are nearby. Area statistics orient you; a property report analyzes the records around one specific parcel.

Updated September 2026 · Based on 4,348 public records from MBMG GWIC, Montana DNRC, Montana DEQ, EPA SEMS, EPA UST Finder

Wells on record

1,094

1,024 with recorded depth

Median well depth

100 ft

half of wells 55–180 ft

Median static water level

28 ft

935 measurements

Median tested yield

16 gpm

868 pump tests

Well depth

How deep are wells in Wheatland County?

Of 1,024 wells with a recorded total depth, the median is 100 feet. Half were drilled between 55 and 180 feet; one in ten went deeper than 300 feet and one in ten found water shallower than 25 feet. Depth is set by local geology and position on the landscape, both of which change over short distances, so the spread matters as much as the median.

under 50 ft
21%
50–100 ft
26%
100–200 ft
31%
200–300 ft
12%
300–500 ft
7%
500 ft and deeper
3%

Static water level

28 ft

median depth to water at rest · half between 15 and 55 ft

The static level is how far below ground the water stands before pumping, measured by the driller at completion. It affects pump setting and operating cost, and it moves with season and with neighbouring use.

Well yield

16 gpm

median tested yield · half between 9 and 30 gpm

9% of tested wells produced under 5 gallons per minute and 48% produced 20 or more. These are short completion tests, not sustained-capacity tests; a household typically needs 3 to 5 gpm with storage.

Drilling activity

Recent well drilling in Wheatland County

98 wells have been completed here since 2016, 2 of them in the last twelve months. The newest log on file was completed September 10, 2026. Records run back to 1876.

What the wells are for

  • Stockwater628
  • Domestic368
  • Monitoring104
  • Irrigation50
  • Public Water Supply26

How they were drilled

  • Rotary298
  • Cable128
  • Hollowstem Auger96
  • Forward Rotary69

Drillers filing well logs in Wheatland County

  • Haz Tech Drilling Inc21 since 2016 · 2025
  • Aaaa Water Well Drilling Inc12 since 2016 · 2019
  • Central Drilling Inc9 since 2016 · 2023
  • Singley Drilling8 since 2016 · 2025
  • American Drilling & Supply7 since 2016 · 2024
  • Mahurin Drilling7 since 2016 · 2020
  • Vidic Drilling Inc5 since 2016 · 2023
  • Vidic Drilling5 since 2016 · 2022

Ranked by well logs filed with GWIC, public record only. Not an endorsement, a referral or a paid listing; we have no business relationship with these companies. Verify licensing with the Montana Board of Water Well Contractors before hiring.

Water rights

Water rights on file in Wheatland County

Montana DNRC lists 3,177 water rights in the county: 1,639 groundwater and 1,538 surface water, 2,957 of them active. The median priority date is 1939, and the oldest claim dates to 1850.

Types of right

  • Statement Of Claim2,512
  • Ground Water Certificate516
  • Provisional Permit66
  • Stockwater Permit43
  • Exempt Notice33

Purposes

  • Stock1,952
  • Irrigation752
  • Domestic230
  • Domestic; Stock39
  • Domestic; Lawn And Garden27

DNRC basins

  • 40A3,176
  • 41S1

Area totals describe the neighbourhood, not any one parcel. Montana publishes no authoritative link between a parcel and a water right; whether a right attaches to a specific property is a property-level question that our reports answer with the DNRC abstract linked.

Aquifers and geology

What wells in Wheatland County draw from

Drillers record the aquifer a well is completed in. The units below account for the wells here that carry an aquifer assignment; the median depth beside each is for wells completed in that unit.

  • Judith River Formation (of Montana Group)24 wells · 36% · median 121 ft
  • Eagle Sandstone12 wells · 18% · median 500 ft
  • Alluvium (quaternary)9 wells · 13% · median 43 ft
  • Claggett Shale Or Formation8 wells · 12% · median 158 ft

Aquifer assignments are the driller's, recorded at completion, and many older logs carry none. Absence of an assignment is not evidence about the geology.

Environmental groundwater screening

Documented environmental sites in Wheatland County

Petroleum releases

22

7 open · 15 resolved

Superfund program sites

1

none on the National Priorities List

Registered tank facilities

54

underground storage tanks, current and historical

A documented release or site in the area is not evidence that any particular well is affected. Whether a release reaches a well depends on groundwater flow direction, geology, well depth and construction, the extent of the plume and the cleanup performed. The most recent release reported here dates to 2021. A property report screens the sites within a quarter, half and one mile of a specific parcel and links the agency records.