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Montana water data · Zip Code in Mineral County

ZIP 59830: well depth, groundwater and water rights

What the public record says about water in ZIP code 59830: 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 348 public records from MBMG GWIC, Montana DNRC, Montana DEQ, EPA UST Finder, US Census (ZIP Code Tabulation Area)

Wells on record

128

1.2 per sq mi

Median well depth

55 ft

half of wells 42–80 ft

Median static water level

28 ft

118 measurements

Median tested yield

20 gpm

109 pump tests

Well depth

How deep are wells in ZIP 59830?

Of 120 wells with a recorded total depth, the median is 55 feet. Half were drilled between 42 and 80 feet; one in ten went deeper than 221 feet and one in ten found water shallower than 35 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
39%
50–100 ft
43%
100–200 ft
4%
200–300 ft
6%
300–500 ft
3%
500 ft and deeper
5%

Static water level

28 ft

median depth to water at rest · half between 18 and 35 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

20 gpm

median tested yield · half between 10 and 30 gpm

12% of tested wells produced under 5 gallons per minute and 57% 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 ZIP 59830

18 wells have been completed here since 2016, 1 of them in the last twelve months. The newest log on file was completed March 12, 2026. Records run back to 1900.

What the wells are for

  • Domestic106
  • Public Water Supply7
  • Monitoring3
  • Stockwater3
  • Irrigation3

How they were drilled

  • Rotary53
  • Churn17
  • Cable Tool13
  • Churn Drill9

Drillers filing well logs in ZIP 59830

  • Steve Berg Well Drilling10 since 2016 · 2023
  • Camp Well Drilling And Pump Service4 since 2016 · 2022
  • Camp Well Drilling & Pump Supply2 since 2016 · 2026
  • Kane Well Drilling & Pump Service57 all-time · 2006
  • Callison Well Drilling8 all-time · 2006
  • Jeromes Drilling Co5 all-time · 2006
  • Krass Drilling & Pump Service3 all-time · 1996
  • Jerome And Okeefe Drilling Co3 all-time · 1978

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 ZIP 59830

Montana DNRC lists 212 water rights with a point of diversion inside this area: 135 groundwater and 77 surface water, 197 of them active. The median priority date is 1980, and the oldest claim dates to 1889.

Types of right

  • Ground Water Certificate110
  • Statement Of Claim88
  • Provisional Permit5
  • Exempt Notice3
  • Water Reservation3

Purposes

  • Domestic82
  • Irrigation34
  • Stock19
  • Domestic; Lawn And Garden17
  • Commercial10

DNRC basins

  • 76M210
  • 76H1
  • 76N1

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 ZIP 59830 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.

  • Alluvium (holocene)49 wells · 56% · median 42 ft
  • Alluvium (pleistocene)21 wells · 24% · median 60 ft
  • Belt Supergroup14 wells · 16% · median 241 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 ZIP 59830

Petroleum releases

7

0 open · 7 resolved

Superfund program sites

0

none on the National Priorities List

Registered tank facilities

1

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 2002. A property report screens the sites within a quarter, half and one mile of a specific parcel and links the agency records.