MBMG-43211
Montana Bureau of Mines and Geology
Located in Liberty County, Montana, this groundwater monitoring location is associated with a water well in the Upper Cretaceous aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| -2.0-218.5 ft | 10.0 in diameter steel casing | |
| -2.0-336.0 ft | 7.0 in diameter steel casing | |
| 281.0-336.0 ft | 7.0 in diameter slots screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-32.0 ft | unknown | YELLOW CLAY, LITTLE SANDY |
| 32.0-55.0 ft | unknown | GRAVEL & CLAY |
| 55.0-80.0 ft | unknown | YELLOW CLAY |
| 80.0-100.0 ft | unknown | GRAY SHALE, LITTLE BENTONITE |
| 100.0-103.0 ft | unknown | COAL AND BLACK SHALE, SEEP OF WATER |
| 103.0-113.0 ft | unknown | GRAY AND BROWN SHALE |
| 113.0-118.0 ft | unknown | BLUE AND GRAY SHALE |
| 118.0-120.0 ft | unknown | BENTONITE AND SANDY SHALE |
| 120.0-130.0 ft | unknown | GRAY SHALE |
| 130.0-145.0 ft | unknown | BROWN AND GRAY SHALE |
| 145.0-150.0 ft | unknown | SAND |
| 150.0-155.0 ft | unknown | GRAY SHALE |
| 155.0-160.0 ft | unknown | GRAY AND LT. BLUE SHALE |
| 160.0-165.0 ft | unknown | GRAY SHALE |
| 165.0-175.0 ft | unknown | GRAY SHALE, SANDY |
| 175.0-185.0 ft | unknown | HARD SANDY SHALE |
| 185.0-200.0 ft | unknown | GAY SANDY SHALE |
| 200.0-202.0 ft | unknown | DK. AND BROWN SHALE |
| 202.0-205.0 ft | unknown | GRAY AND BROWN SANDY SHALE |
| 205.0-214.0 ft | unknown | GRAY SANDY SHALE |
| 214.0-235.0 ft | unknown | GRAY SHALE |
| 235.0-248.0 ft | unknown | GRAY AND BROWN SANDY SHALE |
| 248.0-252.0 ft | unknown | LOOSE SAND, SOME WATER. TOP OF EAGLE SAND |
| 252.0-263.0 ft | unknown | GRAY SANDY SILT, LITTLE BROWN SHALE |
| 263.0-268.0 ft | unknown | GRAY SANDY SILT, LITTLE BLUE SHALE |
| 268.0-272.0 ft | unknown | GRAY SHALE |
| 272.0-275.0 ft | unknown | BLACK SHALE AND COAL |
| 275.0-335.0 ft | unknown | SAND, MORE WATER |
| 335.0-340.0 ft | unknown | HARD SANDY SHELL |
| 340.0-360.0 ft | unknown | SAND |
| 360.0-378.0 ft | unknown | GRAY SANDY SILT |
| 378.0-398.0 ft | unknown | TOP OF COLORADO SHALE, DARK SHALE |
-
Agency Montana Bureau of Mines and Geology Site Name MBMG-43211 Site Number 43211 Site Type WELL Lat/Long (NAD83) 48.513, -110.9521 Well Depth 398 Feet Elevation (NGVD29) 3130.0 ft Latitude 48.51298 Longitude -110.95207 Local Aquifer Name 211EGLE EAGLE SANDSTONE (None) National Aquifer Name Upper Cretaceous aquifers (N300UPCTCS) 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 -
-
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 133.98 131.97 131.08 1996-08-07 2026-04-06 95 29.7 131.76 73.333 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 Jan 133.59 133.20 132.04 131.84 131.75 131.21 131.08 12 12 Apr 133.07 132.65 132.21 131.85 131.73 131.54 131.54 14 14 Jul 133.98 133.61 132.40 131.94 131.77 131.66 131.64 13 13 Oct 132.25 132.24 132.10 131.94 131.82 131.75 131.74 11 11 Statistics Calculated 2026-05-16 -
Operated in cooperation with:
