MBMG-4287
Montana Bureau of Mines and Geology
Located in Daniels County, Montana, this groundwater monitoring location is associated with a water well in the Sand and gravel aquifers (glaciated regions).
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-45.8 ft | 4.0 in diameter pvc casing | |
| 36.0-44.0 ft | 4.0 in diameter saw slots screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-18.0 ft | unknown | GLACIAL TILL DARK BROWN |
| 18.0-22.0 ft | unknown | GRAVEL & SILT |
| 22.0-32.0 ft | unknown | GLACIAL TILL DARK GRAY |
| 32.0-44.0 ft | unknown | GRAVEL FINE TO COARSE & SAND FORT UNION |
| 44.0-45.0 ft | unknown | CLAY LIGHT GRAY SANDY |
-
Agency Montana Bureau of Mines and Geology Site Name MBMG-4287 Site Number 4287 Site Type WELL Lat/Long (NAD83) 48.9651, -105.4533 Well Depth 45.8 Feet Elevation (NGVD29) 2453.0 ft Latitude 48.96512 Longitude -105.45334 Local Aquifer Name 112OTSH, GLACIAL OUTWASH (PLEISTOCENE) (None) National Aquifer Name Sand and gravel aquifers (glaciated regions) (N100GLCIAL) Aquifer Type UNCONFINED Water-Level Well Type Trend Water-Level Well Characteristics Background Water Quality Network MONTANA GWIC Additional info Link 1 -
Activity Start Date Activity Start Time Characteristic Name Measure Value Units Detection Limit Value Type Sample Fraction Method Name Analytical Method System Sample Method ID Sample Method ID Context Sample Method Name Activity Type Code Data Provided By -
-
How do we calculate statistics?
Overall Water Level Statistics (Depth to water, feet below land surface) Lowest Water Level Median Water Level Highest Water Level First Measurement Date Last Measurement Date Number of Measurements Years of Record Latest Value Latest Percentile 15.09 13.45 11.74 1979-06-29 2026-04-09 169 46.8 12.75 61.54 Statistics Calculated 2026-05-16 Monthly Water Level Statistics (Depth to water, feet below land surface) Month Lowest Median 10th Percentile 25th Percentile 50th Percentile 75th Percentile 90th Percentile Highest Median Number of Measurements Years of Record Mar 14.03 13.72 13.54 13.00 12.31 12.19 11.74 19 19 Apr 13.93 13.92 13.67 13.25 12.58 12.28 12.24 12 12 Jun 14.35 14.22 13.96 13.47 12.78 12.69 12.32 28 28 Jul 14.59 14.57 14.23 13.77 12.68 11.95 11.91 10 10 Sep 15.09 14.66 14.34 13.73 13.04 12.77 12.30 23 23 Oct 14.60 14.50 14.30 13.84 12.86 12.46 12.33 14 14 Dec 14.70 14.22 14.08 13.47 12.66 12.33 12.17 25 25 Statistics Calculated 2026-05-16 -
Operated in cooperation with:
