Montana water data · County

Williams County: well depth, groundwater and water rights

What the public record says about water in Williams 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 public records from MBMG GWIC

Limited data for this county.

Only 4 wells are on record here, 4 with a recorded depth. We publish a full statistical picture once an area passes 30 wells; until then treat these figures as indicative.

Wells on record

4 with recorded depth

Median well depth

264 ft

half of wells 177–458 ft

Median static water level

174 ft

2 measurements

Median tested yield

18 gpm

1 pump tests

Well depth

How deep are wells in Williams County?

Too few wells with recorded depth here to describe a distribution honestly.

Static water level

Not enough static water level measurements on record.

Well yield

Not enough pump tests on record.

Drilling activity

Recent well drilling in Williams County

0 wells have been completed here since 2016. The newest log on file was completed June 22, 2012. Records run back to 1992.

What the wells are for

Domestic1

Check a specific property

Area-wide statistics provide context. A property-specific Montana Water Report analyzes the wells, water rights and environmental records associated with and surrounding an individual property.

Run a Property Water Report →

Nearby water data

Other counties

Flathead County22,262 wells
Ravalli County22,164 wells
Gallatin County20,270 wells
Lewis and Clark County17,655 wells
Yellowstone County16,088 wells
Missoula County15,860 wells
Lake County8,292 wells
Lincoln County8,269 wells
Cascade County7,468 wells
Park County6,902 wells

All Montana water data by place

Sources and method

Montana Bureau of Mines and Geology, Ground Water Information Center (GWIC) · retrieved Sep 26, 2026

Wells are GWIC site type WELL, excluding abandoned records. Depths 0–5,000 ft, static levels 0–2,000 ft and yields 0–5,000 gpm; medians and interquartile ranges, never averages. County statistics use the county recorded on each record. Pages are published once an area has at least 30 wells and 30 recorded depths. Full method on the methodology and sources pages.