MBMG-105007
Montana Bureau of Mines and Geology
Located in Powder River County, Montana, this groundwater monitoring location is associated with a water well in the Lower Tertiary aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-110.0 ft | 5.0 in diameter pvc casing | |
| 70.0-110.0 ft | 5.0 in diameter slots screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-5.0 ft | unknown | RED CLAY |
| 5.0-6.0 ft | unknown | ROCK |
| 6.0-46.0 ft | unknown | SANDY BLUE CLAY LEDGE ROCK |
| 46.0-48.0 ft | unknown | HARD ROCK |
| 48.0-51.0 ft | unknown | BLUE CLAY |
| 51.0-52.0 ft | unknown | ROCK |
| 52.0-69.0 ft | unknown | BLUE CLAY |
| 69.0-70.0 ft | unknown | SAND |
| 70.0-72.0 ft | unknown | BLUE CLAY |
| 72.0-76.0 ft | unknown | SAND 3 GALLONS PER MINUTE |
| 76.0-80.0 ft | unknown | SANDY BLUE CLAY |
| 80.0-98.0 ft | unknown | SAND 9 GALLONS PER MINUTE |
| 98.0-110.0 ft | unknown | SANDY BLUE CLAY |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-105007 Site Number 105007 Site Type WELL Lat/Long (NAD83) 45.2152, -106.2704 Well Depth 110 Feet Elevation (NAVD88) 3746.7 ft Latitude 45.215236 Longitude -106.270404 Local Aquifer Name 125CNOB, CANYON COAL OVERBURDEN - FT 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 69.62 36.15 26.31 2000-06-29 2026-02-25 505 25.7 37.74 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 -
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