MBMG-86974
Montana Bureau of Mines and Geology
Located in Lincoln 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 | |
|---|---|---|
| 0.0-80.0 ft | 6.0 in diameter steel casing | |
| 69.0-79.0 ft | 6.0 in diameter mills knife screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-5.0 ft | unknown | FILL |
| 5.0-6.0 ft | unknown | SOIL |
| 6.0-18.0 ft | unknown | GRAVEL AND CLAY (DAMP) |
| 18.0-46.0 ft | unknown | SANDY CLAY |
| 46.0-67.0 ft | unknown | GRAVEL SAND CLAY SOME WATER |
| 67.0-80.0 ft | unknown | GRAVEL & WATER COARSE SAND |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-86974 Site Number 86974 Site Type WELL Lat/Long (NAD83) 48.3845, -115.567 Well Depth 80 Feet Elevation (NAVD88) 2122.11 ft Latitude 48.38448 Longitude -115.56697 Local Aquifer Name 112ALVM (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 58.85 56.40 46.88 1993-05-11 2026-03-03 2897 32.8 57.03 28.57 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 58.00 57.92 57.30 56.82 55.84 49.63 46.88 13 13 Feb 58.85 58.67 58.11 57.09 56.31 55.32 54.81 14 14 Mar 58.40 58.16 57.07 55.99 54.53 52.59 51.30 20 20 Apr 58.03 57.70 57.17 56.08 54.74 53.19 52.41 13 13 May 56.51 56.47 56.01 54.84 53.04 52.72 52.64 14 14 Jun 56.45 55.97 55.23 54.40 53.24 50.23 48.94 16 16 Jul 56.97 56.92 56.47 55.55 55.27 53.18 52.96 10 10 Aug 57.71 57.54 56.80 56.40 56.11 49.69 48.49 11 11 Sep 58.11 58.04 57.03 56.88 56.48 53.91 53.33 15 15 Oct 58.51 58.39 57.89 57.02 56.48 53.65 51.99 14 14 Nov 58.33 58.32 58.02 56.76 56.38 54.92 54.74 11 11 Dec 58.05 58.01 57.39 56.41 55.60 52.55 52.15 13 13 Statistics Calculated 2026-05-19 -
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