MBMG-9950
Montana Bureau of Mines and Geology
Located in Park County, Montana, this groundwater monitoring location is associated with a water well in the Lower Tertiary aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-29.0 ft | 6.0 in diameter steel casing | |
| 30.0-37.0 ft | 6.0 in diameter open hole screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-3.0 ft | unknown | TOPSOIL |
| 3.0-12.5 ft | unknown | CLAYBOUND GRAVELS (WET @ 11') |
| 12.5-14.0 ft | unknown | GRAY SHALES (DRY) AND GRAVEL LENSES |
| 14.0-27.0 ft | unknown | GRAY SHALES (DRY) |
| 27.0-37.0 ft | unknown | HARD BLUE SHALES- WATER @ 27' AND 36' |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-9950 Site Number 9950 Site Type WELL Lat/Long (NAD83) 45.8283, -110.5606 Well Depth 29 Feet Elevation (NAVD88) 4662.041 ft Latitude 45.82829114 Longitude -110.5606201 Local Aquifer Name 125FRUN FORT UNION FORMATION (None) National Aquifer Name Lower Tertiary aquifers (N300LTRTRY) 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 11.96 9.69 3.46 1993-01-21 2025-12-18 9668 32.9 10.10 17.24 Statistics Calculated 2026-01-19 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 10.46 10.44 10.26 10.06 9.74 9.52 8.98 29 29 Feb 10.70 10.68 10.48 10.25 9.93 9.31 8.74 26 26 Mar 10.72 10.64 10.36 9.95 9.56 8.87 8.41 31 31 Apr 10.66 10.32 9.85 9.66 8.85 8.05 7.39 30 30 May 10.40 9.38 8.85 8.42 7.32 6.59 3.64 27 27 Jun 9.32 9.06 8.62 8.01 6.70 6.30 5.32 27 27 Jul 10.75 10.51 10.24 9.00 8.23 7.52 5.58 32 32 Aug 11.50 11.26 11.06 10.57 9.92 9.32 9.09 27 27 Sep 11.61 11.24 10.84 10.31 9.68 8.83 8.37 32 32 Oct 10.80 10.38 10.1 9.72 9.39 8.93 7.57 30 30 Nov 10.35 9.97 9.65 9.25 8.87 8.71 8.31 28 28 Dec 10.28 10.21 9.98 9.69 9.30 9.13 8.97 28 28 Statistics Calculated 2026-01-19 -
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