MBMG-150965
Montana Bureau of Mines and Geology
Located in Richland County, Montana, this groundwater monitoring location is associated with a water well in the Alluvial aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| -2.5-21.0 ft | 4.0 in diameter pvc casing |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-3.0 ft | unknown | LIGHT YELLOWISH BROWN SILT LOAM |
| 3.0-7.0 ft | unknown | 2.5 Y 6/4 FINE SAND SINGLE GRAIN |
| 7.0-14.0 ft | unknown | LOAM 2.5Y 4/3 & FINE SAND. 10YR 5/4 ALTERNATIVE LAYERS. WATER AT 14'. |
| 14.0-29.0 ft | unknown | 2.54Y 6/4 FINE SAND SINGLE GRAIN. |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-150965 Site Number 150965 Site Type WELL Lat/Long (WGS84) 48.1223, -104.4741 Well Depth 21 Feet Elevation (NAVD88) 1909.9 ft Latitude 48.12225684 Longitude -104.4740743 Local Aquifer Name 110ALVM, ALLUVIUM (QUATERNARY) (None) National Aquifer Name Alluvial aquifers (N100ALLUVL) Aquifer Type UNCONFINED 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 15.91 13.61 2.73 1995-08-05 2026-04-08 7003 30.7 15.17 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 13.87 13.76 13.35 12.04 9.90 9.10 7.89 20 20 Feb 13.35 13.20 12.61 11.26 9.66 8.70 7.77 21 21 Mar 14.10 13.49 12.98 11.88 9.75 8.95 7.85 27 27 Apr 15.17 15.00 14.45 13.88 12.27 11.14 8.89 23 23 May 14.67 14.64 14.42 13.81 13.21 11.24 8.42 21 21 Jun 14.79 14.45 14.15 13.73 13.00 10.63 3.61 27 27 Jul 14.41 14.37 14.16 13.67 12.97 11.65 5.10 23 23 Aug 15.76 14.66 14.25 14.00 13.56 11.77 8.37 21 21 Sep 14.89 14.70 14.27 13.91 12.76 10.8 9.42 26 26 Oct 15.70 15.49 15.16 14.57 12.95 11.45 9.37 23 23 Nov 15.81 15.70 15.40 14.87 13.37 11.25 9.34 22 22 Dec 15.82 15.03 14.09 13.58 11.94 10.3 9.22 24 24 Statistics Calculated 2026-05-18 -
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