MBMG-3572
Montana Bureau of Mines and Geology
Located in Valley County, Montana, this groundwater monitoring location is associated with a water well in the Upper Cretaceous aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-20.0 ft | 6.0 in diameter steel casing | |
| 20.0-195.0 ft | 4.0 in diameter galvanized casing | |
| 180.0-195.0 ft | 4.0 in diameter perforated casing screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-7.0 ft | unknown | CLAY |
| 7.0-30.0 ft | unknown | GRAVEL |
| 30.0-60.0 ft | unknown | SHALE |
| 60.0-66.0 ft | unknown | SANDSTONE AND WATER |
| 66.0-73.0 ft | unknown | SHALE |
| 73.0-77.0 ft | unknown | SANDSTONE AND WATER |
| 77.0-108.0 ft | unknown | SHALE |
| 108.0-150.0 ft | unknown | SANDY SHALE |
| 150.0-158.0 ft | unknown | SHALE AND COAL |
| 158.0-165.0 ft | unknown | SANDY SHALE |
| 165.0-180.0 ft | unknown | HARD SHALE |
| 180.0-185.0 ft | unknown | SANDSTONE AND WATER |
| 185.0-187.0 ft | unknown | SHALE |
| 187.0-195.0 ft | unknown | SANDSTONE AND WATER |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-3572 Site Number 3572 Site Type WELL Lat/Long (NAD83) 48.3699, -106.793 Well Depth 195 Feet Elevation (NGVD29) 2255.0 ft Latitude 48.36987 Longitude -106.79305 Local Aquifer Name 211JDRV JUDITH RIVER FORMATION (OF MONTANA GROUP) (None) National Aquifer Name Upper Cretaceous aquifers (N300UPCTCS) 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 68.36 47.50 37.95 1969-07-17 2026-04-07 117 56.8 47.47 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 -
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