MBMG-85046
Montana Bureau of Mines and Geology
Located in Pondera County, Montana, this groundwater monitoring location is associated with a water well in the Upper Cretaceous aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-90.0 ft | 6.0 in diameter unreported casing | |
| 90.0-90.0 ft | 6.0 in diameter open bottom screen |
No lithology data is available
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Agency Montana Bureau of Mines and Geology Site Name MBMG-85046 Site Number 85046 Site Type WELL Lat/Long (NAD83) 48.3117, -112.2553 Well Depth 90 Feet Elevation (NGVD29) 3820.0 ft Latitude 48.31167636 Longitude -112.2552716 Local Aquifer Name 211EGLE EAGLE SANDSTONE (None) National Aquifer Name Upper Cretaceous aquifers (N300UPCTCS) Aquifer Type CONFINED Water-Level Well Type Trend Water-Level Well Characteristics Background Water Quality Network MONTANA GWIC 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 61.28 51.61 42.90 1988-05-23 2026-01-14 10563 37.7 57.25 8.333 Statistics Calculated 2026-05-16 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 58.84 57.18 54.60 52.13 47.80 45.96 43.57 35 35 Feb 59.88 56.96 54.67 51.80 48.10 46.81 44.23 32 32 Mar 57.53 56.14 54.40 51.43 47.52 45.83 44.56 32 32 Apr 59.64 56.24 54.44 51.37 47.64 45.90 44.37 34 34 May 59.78 56.14 53.77 49.88 46.99 45.53 44.07 36 36 Jun 57.29 56.23 52.98 49.79 47.15 44.57 43.40 35 35 Jul 60.10 57.65 54.87 51.69 49.48 46.87 44.38 31 31 Aug 60.47 57.25 55.38 52.18 50.56 47.02 42.90 33 33 Sep 59.62 57.40 54.77 51.92 49.36 46.92 44.61 33 33 Oct 58.96 56.93 54.62 51.99 48.58 46.56 44.40 33 33 Nov 58.93 56.59 54.46 51.67 48.28 46.44 44.23 33 33 Dec 58.68 56.62 54.33 51.87 48.40 46.57 44.82 34 34 Statistics Calculated 2026-05-16 -
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