MBMG-153311
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 | |
|---|---|---|
| -1.6-198.0 ft | 6.0 in diameter steel casing | |
| 198.0-198.0 ft | open bottom screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-4.0 ft | unknown | TOPSOIL |
| 4.0-30.0 ft | unknown | CLAY AND GRAVEL |
| 30.0-140.0 ft | unknown | COARSE SAND SOME CLAY |
| 140.0-180.0 ft | unknown | BROWN CLAY COARSE SAND |
| 180.0-200.0 ft | unknown | MUDSTONE W/COARSE SAND |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-153311 Site Number 153311 Site Type WELL Lat/Long (NAD83) 45.6382, -113.5183 Well Depth 203 Feet Elevation (NGVD29) 6077.0 ft Latitude 45.63822276 Longitude -113.5182958 Local Aquifer Name 120SNGR, SAND AND GRAVEL (TERTIARY) (None) National Aquifer Name Northern Rocky Mountains Intermontane Basins aquifer systems (S100NRMTIB) Aquifer Type CONFINED Water-Level Well Type Surveillance Water-Level Well Characteristics Known Changes 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 37.26 33.38 29.57 1995-10-17 2026-04-15 124 30.5 33.25 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 -
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