QBAA nr Onamia, SOLE SOURCE #1
Minnesota Department of Natural Resources
Located in Mille Lacs County, Minnesota, this groundwater monitoring location is associated with a water well in the Sand and gravel aquifers (glaciated regions).
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-100.0 ft | 4.0 in diameter steel (black or low carbon) casing | |
| 100.0-120.0 ft | 4.0 in diameter steel (black or low carbon) screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-3.0 ft | PEAT | organic |
| 3.0-11.0 ft | CLAY | clay, brown |
| 11.0-16.0 ft | FINE SAND | sand, gray |
| 16.0-21.0 ft | SILTY CLAY | clay, silt, gray |
| 21.0-27.0 ft | FINE SAND | sand, gray |
| 27.0-44.0 ft | CLAY | clay, brown |
| 44.0-70.0 ft | CLAY | clay, gray |
| 70.0-73.0 ft | CLAY | clay, brown |
| 73.0-75.0 ft | CLAY/MARL | clay |
| 75.0-78.0 ft | CLAY | clay, brown |
| 78.0-80.0 ft | SAND | sand, gray |
| 80.0-86.0 ft | MARL | clay, blue |
| 86.0-97.0 ft | CLAY | clay, gray |
| 97.0-119.0 ft | SAND & GRAVEL | sand, gravel |
| 119.0-126.0 ft | CLAY | clay, gray |
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Agency Minnesota Department of Natural Resources Site Name QBAA nr Onamia, SOLE SOURCE #1 Site Number 497673 Site Type WELL Lat/Long (NAD83) 46.0984, -93.6662 Well Depth 124 Feet Elevation (NAVD88) 1255.22 ft Latitude 46.098416 Longitude -93.666215 Local Aquifer Name Quaternary Buried Artesian Aquifer (None) National Aquifer Name Sand and gravel aquifers (glaciated regions) (N100GLCIAL) Aquifer Type CONFINED 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 6.23 3.42 0.70 1995-08-28 2025-11-20 255 30.2 4.22 12.5 Statistics Calculated 2026-01-14 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 Mar 4.90 4.82 4.49 3.99 3.56 1.90 1.50 11 11 Apr 4.70 3.95 3.32 2.98 2.46 2.26 1.92 26 26 May 3.96 3.54 3.10 2.84 2.61 2.20 0.70 28 28 Jun 4.05 3.95 3.44 3.22 2.80 2.24 2.10 28 28 Jul 5.17 4.99 3.95 3.39 2.96 2.40 2.09 27 27 Aug 6.23 4.97 4.37 3.66 2.89 2.24 2.16 29 29 Sep 5.93 5.20 4.52 3.86 3.24 2.46 2.34 30 30 Oct 5.46 4.58 4.27 3.54 3.00 1.93 1.68 31 31 Nov 4.60 4.44 4.10 3.75 3.14 2.54 2.32 31 31 Dec 4.85 4.84 4.75 3.70 3.61 2.45 2.30 11 11 Statistics Calculated 2026-01-14 -
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