MBMG-257455
Montana Bureau of Mines and Geology
Located in Powell County, Montana, this groundwater monitoring location is associated with a water well in the Northern Rocky Mountains Intermontane Basins aquifer systems.
Well Construction
No well construction data is available
No lithology data is available
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Agency Montana Bureau of Mines and Geology Site Name MBMG-257455 Site Number 257455 Site Type WELL Lat/Long (NAD83) 46.4441, -112.7263 Well Depth 200 Feet Elevation (NAVD88) 4464.81 ft Latitude 46.444139 Longitude -112.726281 Local Aquifer Name 120SNGR, SAND AND GRAVEL (TERTIARY) (None) National Aquifer Name Northern Rocky Mountains Intermontane Basins aquifer systems (S100NRMTIB) 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 13.47 11.87 8.98 2010-08-12 2026-04-21 4796 15.7 12.46 0.0 Statistics Calculated 2026-05-18 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 12.35 12.34 12.21 12.07 11.73 11.57 11.51 13 13 Feb 12.27 12.25 12.17 12.08 11.73 11.50 11.46 12 12 Mar 12.26 12.25 12.13 12.01 11.73 11.35 11.24 13 13 Apr 12.46 12.40 12.21 11.90 11.63 10.78 10.65 15 15 May 12.50 12.42 12.06 11.68 11.15 10.2 9.83 14 14 Jun 13.20 12.14 11.29 10.81 10.1 9.71 9.59 15 15 Jul 13.20 12.64 11.80 11.35 11.01 10.42 10.25 14 14 Aug 12.96 12.62 12.16 11.97 11.68 11.54 11.49 15 15 Sep 12.66 12.59 12.19 11.99 11.68 11.46 11.38 15 15 Oct 12.37 12.19 12.04 11.91 11.40 11.28 11.18 16 16 Nov 12.23 12.13 12.06 11.88 11.57 11.32 11.26 16 16 Dec 12.26 12.25 12.14 11.93 11.66 11.58 11.58 16 16 Statistics Calculated 2026-05-18 -
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