MBMG-262314
Montana Bureau of Mines and Geology
Located in Flathead County, Montana, this groundwater monitoring location is associated with a water well in the Northern Rocky Mountains Intermontane Basins aquifer systems.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-518.0 ft | 6.0 in diameter steel casing | |
| 475.0-515.0 ft | 6.0 in diameter perforated casing screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-360.0 ft | unknown | DRILLER KEPT LOG 0'-360' WILL NEED A COPY FROM HIS REPORT |
| 360.0-404.0 ft | unknown | GRAVEL WITH SAND AND SILT, BROWN. NO WATER/DRY. GRAVEL DOMINANTLY YELLOW/GOLD, PURPLE, PALE-GREEN, OLIVE-GREEN, AND SOME DARK RED; NO WATER |
| 404.0-411.0 ft | unknown | GRAVEL AND CLAY WITH SOME SAND, BROWN, PLASTIC CLAY FRAGMENTS; NO WATER |
| 411.0-428.0 ft | unknown | CLAY WITH SOME GRAVEL; NO WATER |
| 428.0-434.0 ft | unknown | GRAVEL WITH SAND AND SILT, TAN COLOR WATER; NO WATER |
| 434.0-438.0 ft | unknown | SAND WITH GRAVEL, SILT, AND CLAY, BROWN WATER; NO WATER |
| 438.0-446.0 ft | unknown | SAND, GRAVEL, LESS CLAY; 20 GPM |
| 446.0-450.0 ft | unknown | GRAVEL, CLEANER WITH DEPTH; 30 GPM |
| 450.0-465.0 ft | unknown | GRAVEL, MINOR CLAY; DECREASING WATER, LIGHT TAN |
| 465.0-475.0 ft | unknown | SAND, GRAVEL, MINOR SILT; DECREASING WATER, BROWN |
| 475.0-487.0 ft | unknown | GRAVEL, SILT. GRAVEL IS GREEN, BURGANDY, TAN. FG; VERY LITTLE WATER |
| 487.0-497.0 ft | unknown | GRAVEL, SAND, SILT, POORLY SORTED, POOR RETURNS. BURGANDY CLASTS IR; NO WATER |
| 497.0-500.0 ft | unknown | GRAVEL MG, SAND, SILT. HEAVING IN HOLE; 10-20 GPM |
| 500.0-509.0 ft | unknown | GRAVEL, FG, SAND, MOD ROUND, BURGANDY AND GREEN; 20 GPM |
| 509.0-511.0 ft | unknown | VERY SLOW DRILLING, NO RETURNS EXCEPT GRAVEL, AA |
| 511.0-518.0 ft | unknown | GRAVEL, MG, BURGANDY AND GREEN, WELL ROUNDED, WITH SAND AND SILT; 20+GPM TD=518 |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-262314 Site Number 262314 Site Type WELL Lat/Long (NAD83) 48.0972, -113.9807 Well Depth 518 Feet Elevation (NAVD88) 3065.84 ft Latitude 48.097157 Longitude -113.98066 Local Aquifer Name 112SNGR (None) National Aquifer Name Northern Rocky Mountains Intermontane Basins aquifer systems (S100NRMTIB) Aquifer Type UNCONFINED Water-Level Well Type Trend Water-Level Well Characteristics Background Water Quality Network 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 55.54 47.77 41.67 2011-07-13 2026-04-09 4372 14.8 47.18 40.00 Statistics Calculated 2026-05-20 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 49.40 49.39 48.37 47.40 46.00 43.45 42.83 14 14 Feb 49.45 49.42 48.47 47.71 46.20 44.47 43.83 12 12 Mar 49.25 49.24 48.50 47.03 46.09 43.33 43.21 13 13 Apr 48.82 48.65 48.15 46.64 44.70 42.80 42.43 14 14 May 48.84 48.82 48.20 46.49 44.21 43.49 43.47 11 11 Jun 49.37 49.10 48.06 45.95 44.34 42.58 42.12 12 12 Jul 52.75 52.71 49.62 48.25 45.96 43.53 42.97 13 13 Aug 55.16 54.36 51.91 50.52 48.04 43.90 43.17 13 13 Sep 52.27 52.03 51.21 49.81 46.00 43.87 43.84 14 14 Oct 50.21 50.16 49.35 48.66 46.11 43.22 42.37 14 14 Nov 49.49 49.47 48.42 47.45 45.68 43.11 42.20 14 14 Dec 49.36 49.26 48.32 47.43 45.87 43.45 42.77 14 14 Statistics Calculated 2026-05-20 -
Operated in cooperation with:
