MBMG-150622
Montana Bureau of Mines and Geology
Located in Flathead 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 | |
|---|---|---|
| -2.0-43.0 ft | 6.0 in diameter steel casing | |
| 43.0-43.0 ft | 6.0 in diameter open bottom * screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-20.0 ft | unknown | GRAVEL WITH CLAY |
| 20.0-26.0 ft | unknown | TAN SILTY GRAVEL & SOME WATER |
| 26.0-43.0 ft | unknown | SAND GRAVEL WATER |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-150622 Site Number 150622 Site Type WELL Lat/Long (NAD83) 48.1429, -114.0563 Well Depth 43 Feet Elevation (NAVD88) 3021.21 ft Latitude 48.142908333333 Longitude -114.056271080556 Local Aquifer Name 112OTSH (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 27.41 16.58 3.47 1996-06-03 2026-04-09 8916 29.8 18.53 50.00 Statistics Calculated 2026-05-20 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 26.54 25.01 20.25 18.01 15.82 13.04 11.06 28 28 Feb 27.10 23.61 20.33 18.21 16.58 13.75 12.06 24 24 Mar 26.73 26.33 21.17 19.60 16.95 13.89 12.90 25 25 Apr 26.82 26.30 21.49 18.53 16.97 14.05 12.29 27 27 May 26.81 25.13 21.39 18.36 15.01 12.86 11.31 24 24 Jun 24.64 22.08 17.26 15.55 11.68 9.26 7.70 27 27 Jul 20.46 20.20 14.98 13.13 10.1 6.08 3.99 27 27 Aug 21.03 20.04 15.47 13.25 10.4 6.79 3.89 26 26 Sep 21.42 19.76 16.21 14.59 11.76 8.13 5.53 26 26 Oct 22.54 19.26 17.72 15.81 12.73 9.75 6.95 29 29 Nov 25.05 20.77 18.42 16.87 14.11 10.92 8.46 26 26 Dec 25.67 24.33 19.53 17.98 15.07 12.05 9.98 27 27 Statistics Calculated 2026-05-20 -
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