MBMG-161429
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 | |
|---|---|---|
| 0.0-20.0 ft | 6.0 in diameter steel casing | |
| 1.0-190.0 ft | 4.0 in diameter pvc casing | |
| 110.0-170.0 ft | 4.0 in diameter .025x2.125 slot screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-20.0 ft | unknown | BROWN SOIL & SAND |
| 20.0-158.0 ft | unknown | BROWN RED GREEN GRANITE WASH GRAVEL |
| 158.0-160.0 ft | unknown | LIGHT BROWN SHALE CLAY |
| 160.0-164.0 ft | unknown | BROWN SANDSTONE |
| 164.0-197.0 ft | unknown | LIGHT BROWN TO GRAY SHALE |
| 197.0-198.0 ft | unknown | LIGHT BROWN SANDSTONE |
| 198.0-208.0 ft | unknown | GRAY SHALE |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-161429 Site Number 161429 Site Type WELL Lat/Long (NAD83) 45.017, -109.1716 Well Depth 190 Feet Elevation (NAVD88) 4958.2 ft Latitude 45.017007 Longitude -109.171585 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 154.97 145.85 143.04 2002-09-25 2026-02-10 88 23.4 145.83 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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