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Montana water data · Community in Gallatin County

Gallatin River Ranch: well depth, groundwater and water rights

What the public record says about water in Gallatin River Ranch: 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 189 public records from MBMG GWIC, Montana DNRC, US Census (place boundary)

Wells on record

97

13.7 per sq mi

Median well depth

480 ft

half of wells 400–542 ft

Median static water level

232 ft

95 measurements

Median tested yield

30 gpm

95 pump tests

Well depth

How deep are wells in Gallatin River Ranch?

Of 95 wells with a recorded total depth, the median is 480 feet. Half were drilled between 400 and 542 feet; one in ten went deeper than 736 feet and one in ten found water shallower than 280 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
1%
50–100 ft
3%
100–200 ft
2%
200–300 ft
5%
300–500 ft
42%
500 ft and deeper
46%

Static water level

232 ft

median depth to water at rest · half between 180 and 288 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

30 gpm

median tested yield · half between 19 and 41 gpm

2% of tested wells produced under 5 gallons per minute and 75% 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 Gallatin River Ranch

23 wells have been completed here since 2016, 2 of them in the last twelve months. The newest log on file was completed May 11, 2026. Records run back to 1911.

What the wells are for

  • Domestic93
  • Irrigation5
  • Stockwater4
  • Commercial1

How they were drilled

  • Rotary88
  • Unknown2
  • Bored1
  • Dual Rotary1

Drillers filing well logs in Gallatin River Ranch

  • Bridger Drilling Inc18 since 2016 · 2026
  • Potts Drilling Inc3 since 2016 · 2025
  • Red Tiger Drilling1 since 2016 · 2020
  • Van Dyken Drilling Inc4 all-time · 2014
  • Kevin Haggerty Drilling Inc4 all-time · 2007

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 Gallatin River Ranch

Montana DNRC lists 92 water rights with a point of diversion inside this area: 78 groundwater and 14 surface water, 81 of them active. The median priority date is 2006, and the oldest claim dates to 1869.

Types of right

  • Ground Water Certificate76
  • Statement Of Claim13
  • Water Reservation3

Purposes

  • Domestic29
  • Domestic; Lawn And Garden15
  • Stock9
  • Fish And Wildlife9
  • Lawn And Garden; Domestic4

DNRC basins

  • 41H92

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 Gallatin River Ranch 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.

  • Lahood Formation6 wells · 86% · median 445 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.