MBMG-110163
Montana Bureau of Mines and Geology
Located in Beaverhead County, Montana, this groundwater monitoring location is associated with a water well in the Northern Rocky Mountains Intermontane Basins aquifer systems.
Well Construction
| Depth | Description | |
|---|---|---|
| -1.7-202.0 ft | 6.0 in diameter 19 lb steel casing | |
| 158.0-161.0 ft | 6.0 in diameter slots screen | |
| 174.0-186.0 ft | 6.0 in diameter slots screen | |
| 196.0-201.0 ft | 6.0 in diameter slots screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-1.0 ft | unknown | SURFACE DIRT |
| 1.0-17.0 ft | unknown | GRAVEL |
| 17.0-40.0 ft | unknown | CLAY AND GRAVEL |
| 40.0-42.0 ft | unknown | CEMENT GRAVEL |
| 42.0-62.0 ft | unknown | CLAY AND GRAVEL |
| 62.0-70.0 ft | unknown | GRAVEL AND CLAY |
| 70.0-93.0 ft | unknown | CLAY AND SMALL LAYERS OF CEMENTED GRAVEL |
| 93.0-140.0 ft | unknown | CLAY SAND AND FINE GRAVEL |
| 140.0-150.0 ft | unknown | BROWNISH SILT |
| 150.0-161.0 ft | unknown | WATER BEARING GRAVEL |
| 161.0-174.0 ft | unknown | CLAY AND SAND |
| 174.0-185.0 ft | unknown | WATER BEARING GRAVEL |
| 185.0-196.0 ft | unknown | CLAY AND GRAVEL |
| 196.0-201.0 ft | unknown | WATER BEARING GRAVEL |
| 201.0-205.0 ft | unknown | TIGHT GRAVEL |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-110163 Site Number 110163 Site Type WELL Lat/Long (NAD83) 44.8517, -112.7969 Well Depth 205 Feet Elevation (NAVD88) 5838.949 ft Latitude 44.85172482 Longitude -112.7969473 Local Aquifer Name 120SNGR, SAND AND GRAVEL (TERTIARY) (None) National Aquifer Name Northern Rocky Mountains Intermontane Basins aquifer systems (S100NRMTIB) 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 -
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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 128.67 127.15 124.69 2001-06-20 2026-03-31 92 24.8 127.45 91.304 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 128.14 128.05 127.94 127.78 127.65 127.50 127.27 22 22 Jun 127.71 127.37 126.98 126.68 126.11 125.89 125.56 18 18 Sep 128.67 127.45 127.04 126.38 125.70 125.27 124.69 18 18 Dec 128.05 127.96 127.71 127.24 127.03 126.81 126.35 19 19 Statistics Calculated 2026-05-16 -
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