MBMG-242404
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 | |
|---|---|---|
| 18.5-28.5 ft | 5.0 in diameter screen-continuous-stainless screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-13.0 ft | unknown | NO RETURNS |
| 13.0-18.0 ft | unknown | COARSE SAND AND GRAVEL (UP TO 1") |
| 18.0-28.0 ft | unknown | COARSE GRAVEL (UP TO 1.5") AND SAND, SOME FINE TO MEDIUM SAND |
| 28.0-28.5 ft | unknown | TAN TO GREEN GREY CLAY, SOME COARSE SAND TO FINE GRAVEL |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-242404 Site Number 242404 Site Type WELL Lat/Long (NAD83) 45.3766, -112.4999 Well Depth 30 Feet Elevation (NAVD88) 4845.65 ft Latitude 45.376579 Longitude -112.499934 Local Aquifer Name 111ALVM (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 4.42 3.49 0.81 2008-02-22 2026-04-01 3572 18.2 4.04 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 3.51 3.51 3.47 3.10 2.85 2.57 2.54 11 11 Feb 3.60 3.54 3.35 3.04 2.78 2.56 2.49 12 12 Mar 3.79 3.73 3.55 3.45 3.36 2.31 1.97 13 13 Apr 4.04 3.97 3.70 3.54 3.35 2.72 2.61 14 14 May 3.96 3.96 3.88 3.49 3.29 2.57 2.29 13 13 Jun 4.28 4.23 4.11 3.66 3.15 2.89 2.81 13 13 Jul 4.22 4.21 4.16 3.92 3.64 2.92 2.84 12 12 Aug 4.19 4.19 4.07 4.00 3.40 3.25 3.20 13 13 Sep 4.22 4.21 4.15 3.90 3.71 3.05 2.91 12 12 Oct 4.07 4.03 3.91 3.63 3.29 2.89 2.85 13 13 Nov 3.73 3.68 3.54 3.36 3.06 2.76 2.69 12 12 Dec 3.68 3.65 3.52 3.30 2.92 2.77 2.74 13 13 Statistics Calculated 2026-05-19 -
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