MBMG-262322
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 | |
|---|---|---|
| -1.66-60.0 ft | 6.0 in diameter steel casing | |
| 37.0-45.0 ft | 6.0 in diameter perforated casing screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-7.0 ft | unknown | SOIL, BROWN, SANDY CLAY WITH GRAVEL. DAMP |
| 7.0-33.0 ft | unknown | CLAY WITH SAND AND GRAVEL. DARK-RED BROWN, MUDDY WATER; MINOR WATER |
| 33.0-48.0 ft | unknown | SAND AND GRAVEL WITH SILT; 40-45=10 GPM, 37-40+45=50 GPM |
| 48.0-58.0 ft | unknown | GRAVEL AND SAND WITH SILT, SOME CLAY. WATER TURNED BROWN |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-262322 Site Number 262322 Site Type WELL Lat/Long (NAD83) 48.0971, -113.9806 Well Depth 60 Feet Elevation (NAVD88) 3067.96 ft Latitude 48.097107 Longitude -113.980602 Local Aquifer Name 111SNGR (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 8.12 4.80 -1.25 2011-07-13 2026-05-20 4897 14.8 3.66 13.3 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 6.51 6.48 6.16 5.72 4.36 3.70 3.56 14 14 Feb 6.70 6.56 5.85 5.34 4.63 2.39 1.83 13 13 Mar 6.71 6.59 5.87 4.42 3.29 1.1 0.80 14 14 Apr 5.06 4.54 4.09 2.68 1.6 0.75 0.41 15 15 May 4.09 3.89 2.36 1.41 0.16 -0.09 -0.31 14 14 Jun 3.74 3.48 1.77 0.52 0.11 -0.56 -0.57 14 14 Jul 5.71 5.66 4.41 2.72 1.83 0.67 0.51 14 14 Aug 7.07 6.93 6.30 5.28 4.46 3.79 3.68 14 14 Sep 7.62 7.56 7.04 6.58 5.80 5.41 5.39 15 15 Oct 8.04 8.03 7.16 6.27 5.89 4.86 4.14 14 14 Nov 7.85 7.53 6.69 5.40 3.82 2.47 1.80 14 14 Dec 7.78 7.10 6.26 5.32 3.82 2.59 2.05 14 14 Statistics Calculated 2026-05-20 -
Operated in cooperation with:
