MBMG-1388
Montana Bureau of Mines and Geology
Located in Musselshell County, Montana, this groundwater monitoring location is associated with a water well in the Upper Cretaceous aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| -1.85-3.0 ft | 4.0 in diameter pvc casing | |
| 3.0-362.0 ft | 4.0 in diameter steel casing | |
| 362.0-427.0 ft | 4.75 in diameter open hole screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-200.0 ft | unknown | ONLY CURSORY LOG KEPT. USED TO CHECK AGAINST ROUNDUP-1A. SEE ROUNDUP-1A FOR LOG. THE HOLE WAS DRILLED WITH AIR-ONLY TO 280. QUIK-FOAM AND INJECTED WATER FROM 280 TO 370. WATER DRILLING FROM 370 TO 427. BY 75' THE HOLE WAS MAKING WATER |
| 200.0-215.0 ft | unknown | SILTSTONE AND SHALE - GRAY TO GREENISH-GRAY |
| 215.0-221.0 ft | unknown | SANDSTONE - VFY |
| 221.0-225.0 ft | unknown | SHALE - GREENISH-GRAY TO BLACK (CARBONACIYS) |
| 225.0-231.0 ft | unknown | SANDSTONE - VFY MODERATELY TO WELL CEMENTED |
| 231.0-235.0 ft | unknown | SHALE CARBONACOUS THIN COAL- MINOR PYRITE IN COAL |
| 235.0-247.0 ft | unknown | SHALE - GRAY TO GREENISH GRAY |
| 247.0-262.0 ft | unknown | SHALE AND MINOR SANDSTONE NEAR 253 |
| 262.0-274.0 ft | unknown | SANDSTONE - WHITISH TO GRAY CLAYEY |
| 274.0-278.0 ft | unknown | SHALE - GREENISH-GRAY |
| 278.0-287.0 ft | unknown | SANDSTONE VFY GRAY LOTS OF FINE MATERIAL |
| 287.0-292.0 ft | unknown | SHALE - GREEN TO BLACK |
| 292.0-295.0 ft | unknown | SANDSTONE ? |
| 295.0-305.0 ft | unknown | SHALE - GREEN AND GRAY |
| 305.0-310.0 ft | unknown | SANDSTONE FY FAIRLY CLEAN |
| 310.0-313.0 ft | unknown | SILTSTONE GRAY |
| 313.0-316.0 ft | unknown | SHALE GREEN |
| 316.0-325.0 ft | unknown | SANDSTONE - FG- LIGHT GRAY SOME CHOCOLATE BROWN MUDSTONE (LAYERED WITHIN SANDSTONE) |
| 325.0-330.0 ft | unknown | SILTSTONE AND SHALE GREENISH-GRAY HARD AT 329-330 |
| 330.0-347.0 ft | unknown | SILTSTONE AND VFY SANDSTONE GREENISH GRAY MINOR COAL AND SHALE |
| 347.0-350.0 ft | unknown | SHALE GREENISH-GRAY TO GRAY |
| 350.0-360.0 ft | unknown | SHALE EARLY IN INTERVAL SILTSTONE LATE MATERIAL GREENISH-GRAY |
| 360.0-370.0 ft | unknown | 362 SANDSTONE VFG TO FG - GRAY CLAYEY |
| 360.0-372.0 ft | unknown | SHALE |
| 372.0-383.0 ft | unknown | SANDSTONE FEW GOOD RETURNS |
| 383.0-393.0 ft | unknown | DRILLING RATE SLOWER CUTTINGS GRAY TO BROWN SHALE |
| 393.0-400.0 ft | unknown | HARDER BUT FASTER DRILLING RATE SOME VFY SAND IN TUB WITH LOTS OF FINE MATERIAL |
| 400.0-410.0 ft | unknown | SANDSTONE VFY CLAYEY |
| 410.0-427.0 ft | unknown | SHALE GRAY TO BLUISH-GREEN |
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Agency Montana Bureau of Mines and Geology Site Name MBMG-1388 Site Number 1388 Site Type WELL Lat/Long (NAD83) 46.1761, -108.613 Well Depth 427 Feet Elevation (NGVD29) 3965.0 ft Latitude 46.17605868 Longitude -108.6129947 Local Aquifer Name 211HLCK, HELL CREEK FORMATION (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 1981-04-10 15:00:00 MST Bicarbonate 353. mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Carbonate 0.0 mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Chloride 116. mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Fluoride 1.62 mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Nitrate as Nitrogen .04 mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Sulfate 993. mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Calcium 43.3 mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Iron .004 ug/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Magnesium 24.7 mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Manganese .051 mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Potassium 3.4 mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Silica 2.1 mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Sodium 560. mg/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST pH 8.16 None Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 1981-04-10 15:00:00 MST Lithium 32. ug/L Actual DISSOLVED EPA MBMG FLOW COMPOSITE MBMG FLOW COMPOSITE Sample MBMG 2002-09-26 13:25:00 MST Bicarbonate 224.5 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Carbonate 132.0 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Chloride 46 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Fluoride 2.1 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Nitrate as Nitrogen <0.5 P mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Orthophosphate <0.1 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Sulfate 196 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Calcium 1.14 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Iron 0.015 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Magnesium 1.10 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Manganese <0.001 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Potassium 1.94 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Silica 0.963 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Sodium 290 mg/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST pH 9.72 None Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Aluminum <30 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Antimony <10 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Arsenic <10 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Barium <30 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Beryllium <2 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Boron <30 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Bromide 500 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Cadmium <1 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Chromium <10 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Cobalt <2 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Copper <5 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Lead <10 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Lithium 14.3 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Molybdenum 42.2 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Nickel <2 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Selenium <15 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Strontium 147 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Thallium <20 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Titanium <1 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Vanadium <10 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Zinc 64.5 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2002-09-26 13:25:00 MST Zirconium <2 ug/L Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST SC 1296.0000 mSiem./cm Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST pH 9.8900 - Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Bicarbonate 241.1300 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Carbonate 153.4100 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Hydroxide 0.0000 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Sulfate 107.7000 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Orthophosphate 0.0000 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Nitrate as Nitrogen 0.0600 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Nitrite as Nitrogen 0.0000 mg/l Actual DISSOLVED HACH MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Chloride 46.2200 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Bromide 292.0000 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Fluoride 1.5500 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Gallium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Zinc 0.8500 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Silver 0.0060 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Aluminum 10.0300 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Arsenic 1.1100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Boron 28.9600 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Barium 2.8700 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Beryllium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Calcium 1.0700 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Cadmium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Cerium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Cobalt 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Chromium 0.2800 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Cesium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Copper 0.5200 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Iron 52.1100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Zirconium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Potassium 2.8400 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Lanthanum 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Lithium 7.7100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Magnesium 0.8800 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Manganese 1.3400 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Molybdenum 41.2000 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Sodium 281.8500 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Niobium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Neodymium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Nickel 0.4300 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Total Dissolved Phosphate 0.0910 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Lead 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Palladium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Praseodymium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Rubidium 1.5200 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Antimony 0.0500 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Selenium 1.7300 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Silica 1.0300 mg/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Tin 0.0300 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Strontium 113.5700 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Thorium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Titanium 1.1700 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Thallium 0.0100 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Uranium 0.3000 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Vanadium 0.0600 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Tungsten 1.1300 ug/l Actual DISSOLVED EPA MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Nitrate + Nitrite as Nitrogen 0.0000 mg/l Actual DISSOLVED HACH MBMG PUMPED MBMG PUMPED Sample MBMG 2011-09-23 10:15:00 MST Total Nitrogen as Nitrogen 4.4300 mg/l Actual DISSOLVED HACH MBMG PUMPED MBMG PUMPED Sample MBMG -
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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 167.55 165.68 130.75 1980-12-09 2025-01-27 7086 44.1 164.33 55.172 Statistics Calculated 2025-04-22 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 167.46 166.64 166.40 165.46 163.56 163.45 163.08 28 28 Feb 167.37 167.15 166.42 164.75 163.43 163.19 157.08 22 22 Mar 167.42 167.16 166.32 165.84 163.44 163.30 163.10 23 23 Apr 167.41 166.73 166.27 165.71 163.48 163.17 160.43 31 31 May 167.40 167.01 166.55 166.03 163.52 163.24 163.05 23 23 Jun 167.40 167.05 166.58 166.11 163.53 163.31 163.29 22 22 Jul 167.41 166.61 166.37 165.67 163.61 163.46 157.23 32 32 Aug 167.44 166.92 166.48 166.09 163.60 163.01 157.65 25 25 Sep 167.38 166.72 166.52 164.96 163.48 158.02 130.75 28 28 Oct 167.35 166.79 166.31 164.07 163.48 151.57 131.70 35 35 Nov 167.31 167.05 166.55 165.92 163.55 163.42 163.02 21 21 Dec 167.47 167.06 166.54 164.02 163.48 160.65 156.97 21 21 Statistics Calculated 2025-04-22 -
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