MBMG-85274
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 | |
|---|---|---|
| 0.0-238.0 ft | 6.0 in diameter steel casing | |
| 170.0-310.0 ft | 5.0 in diameter steel casing |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-20.0 ft | unknown | BOULDERS & GRAVEL |
| 20.0-220.0 ft | unknown | GRAVEL BOULDERS CLAY |
| 220.0-238.0 ft | unknown | BROWN CLAY |
| 238.0-241.0 ft | unknown | BOULDERS & CLAY |
| 241.0-280.0 ft | unknown | CLAY |
| 280.0-320.0 ft | unknown | SAND GRAVEL WATER |
| 320.0-360.0 ft | unknown | SAND CLAY - SHUT OFF WATER |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-85274 Site Number 85274 Site Type WELL Lat/Long (NAD83) 48.3924, -114.2133 Well Depth 360 Feet Elevation (NAVD88) 3206.34 ft Latitude 48.392351094444 Longitude -114.213310080556 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 202.89 190.05 176.93 1992-08-17 2026-04-08 10031 33.7 192.25 25.806 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 196.84 194.97 193.24 190.38 186.15 182.96 178.11 30 30 Feb 196.00 194.73 192.69 189.01 185.68 182.81 178.34 30 30 Mar 195.83 194.66 192.31 189.97 185.90 183.09 178.84 31 31 Apr 195.25 193.99 192.30 189.22 185.62 183.06 179.66 30 30 May 194.77 193.78 191.81 188.30 185.38 183.00 179.16 29 29 Jun 195.58 194.23 192.12 189.21 185.17 182.70 178.17 29 29 Jul 199.58 196.24 193.88 189.99 185.35 184.20 177.08 29 29 Aug 201.18 198.22 196.18 191.64 188.30 184.24 178.01 33 33 Sep 202.12 198.17 196.70 191.77 188.11 184.35 178.19 33 33 Oct 200.61 196.71 194.63 190.04 186.40 182.18 178.44 32 32 Nov 202.54 195.35 193.37 189.04 185.77 182.50 178.61 32 32 Dec 199.74 195.05 193.15 190.22 185.73 181.70 178.01 32 32 Statistics Calculated 2026-05-20 -
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