MBMG-123132
Montana Bureau of Mines and Geology
Located in Ravalli 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 | |
|---|---|---|
| -1.5-168.0 ft | 6.0 in diameter steel casing | |
| 160.0-165.0 ft | 6.0 in diameter screen-continuous-steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-122.0 ft | unknown | CLAY ASH |
| 122.0-127.0 ft | unknown | SAND-WATER BEARING |
| 127.0-147.0 ft | unknown | ASH |
| 147.0-155.0 ft | unknown | SAND-WATER BEARING |
| 155.0-157.0 ft | unknown | CLAY |
| 157.0-164.0 ft | unknown | SAND GRAVEL-WATER BEARING |
| 164.0-168.0 ft | unknown | CLAY-2' CLAY IN BOTTOM |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-123132 Site Number 123132 Site Type WELL Lat/Long (NAD83) 46.6316, -114.013 Well Depth 168 Feet Elevation (NAVD88) 3469.69 ft Latitude 46.631550369444 Longitude -114.013011308333 Local Aquifer Name 120SDMS (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 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 148.44 138.97 128.01 1993-12-06 2026-01-15 163 32.1 148.44 0.0 Statistics Calculated 2026-05-19 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 Jan 148.44 147.26 141.37 139.34 133.62 128.76 128.01 11 11 Mar 145.14 144.54 141.73 138.60 135.59 132.69 129.61 26 26 Jun 143.72 142.03 141.14 138.21 136.02 133.80 131.13 28 28 Sep 144.07 142.35 140.54 139.58 136.91 132.12 128.32 26 26 Oct 147.40 146.74 144.08 140.15 135.52 130.06 129.28 11 11 Dec 145.37 143.81 141.17 139.40 136.82 134.03 129.00 23 23 Statistics Calculated 2026-05-19 -
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