MBMG-197444
Montana Bureau of Mines and Geology
Located in Carbon County, Montana, this groundwater monitoring location is associated with a water well in the Lower Tertiary aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| -2.0-40.0 ft | 6.0 in diameter a53a steel casing | |
| 30.0-160.0 ft | 4.5 in diameter pvc-sched 40 casing | |
| 80.0-160.0 ft | 4.5 in diameter saw slots screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-1.0 ft | unknown | SANDY TOPSOIL |
| 1.0-32.0 ft | unknown | SAND GRAY RED |
| 32.0-39.0 ft | unknown | RED CLAY |
| 39.0-44.0 ft | unknown | TAN SANDSTONE (WATER 0.5 GPM) |
| 44.0-56.0 ft | unknown | GRAY SHALE |
| 56.0-103.0 ft | unknown | GRAY SANDSTONE (WATER 0.5 GPM) |
| 103.0-118.0 ft | unknown | GRAY SHALE |
| 118.0-160.0 ft | unknown | WATER 9 GPM |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-197444 Site Number 197444 Site Type WELL Lat/Long (NAD83) 45.3366, -109.1638 Well Depth 160 Feet Elevation (NGVD29) 4775.0 ft Latitude 45.3366 Longitude -109.1638 Local Aquifer Name 125TGRV, TONGUE RIVER MEMBER (OF FT UNION FM.) (None) National Aquifer Name Lower Tertiary aquifers (N300LTRTRY) 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 71.58 62.99 56.95 2002-11-07 2026-03-11 112 23.3 63.00 Statistics Calculated 2026-05-15 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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