MBMG-87873
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 | |
|---|---|---|
| -1.0-160.0 ft | 6.0 in diameter steel casing | |
| 91.0-102.0 ft | 6.0 in diameter slots screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-29.0 ft | unknown | ROCKS AND CLAY |
| 29.0-60.0 ft | unknown | RED SANDY SILT |
| 60.0-90.0 ft | unknown | YELLOW CLAY AND ROCKS |
| 90.0-92.0 ft | unknown | GRAVEL AND WATER 8GPM |
| 92.0-100.0 ft | unknown | CLAY AND GRAVEL |
| 100.0-112.0 ft | unknown | SAND AND GRAVEL WATER 40 GPM+ |
| 112.0-160.0 ft | unknown | YELLOW CLAY AND SOME GRAVEL |
| 160.0-168.0 ft | unknown | RED CLAY |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-87873 Site Number 87873 Site Type WELL Lat/Long (NAD83) 48.4003, -114.137 Well Depth 168 Feet Elevation (NAVD88) 3147.71 ft Latitude 48.400326013888 Longitude -114.137010552778 Local Aquifer Name 112DRFT (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 90.43 78.23 10.41 1996-02-23 2026-04-08 6768 30.2 46.79 65.38 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 89.41 88.36 83.95 79.98 78.35 66.23 52.49 23 23 Feb 89.76 89.09 84.06 80.32 78.05 54.82 32.73 23 23 Mar 88.85 82.76 80.65 78.91 71.51 46.76 29.47 22 22 Apr 86.44 79.05 68.99 55.19 38.97 27.29 19.38 25 25 May 63.16 62.67 52.94 44.36 27.08 19.14 14.24 22 22 Jun 76.05 74.29 61.72 51.39 45.66 37.58 36.34 21 21 Jul 79.50 78.53 76.69 70.29 64.76 57.41 54.20 21 21 Aug 81.23 80.74 78.65 76.99 74.23 69.82 67.62 21 21 Sep 83.82 82.55 81.05 79.47 78.23 77.63 77.24 22 22 Oct 87.68 85.39 83.40 80.59 79.10 78.32 77.72 24 24 Nov 89.09 87.42 83.98 80.31 79.12 76.57 72.26 22 22 Dec 88.18 86.71 84.86 79.88 79.00 71.75 68.36 23 23 Statistics Calculated 2026-05-20 -
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