OPDC at Hugo, Withrow School
Minnesota Department of Natural Resources
Located in Washington County, Minnesota, this groundwater monitoring location is associated with a water well in the Cambrian-Ordovician aquifer system.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-130.0 ft | 4.0 in diameter steel (black or low carbon) casing |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-30.0 ft | SANDY CLAY | clay, sand, brown |
| 30.0-63.0 ft | CLAY SAND | clay, sand |
| 63.0-80.0 ft | MEDIUM SAND | sand |
| 80.0-90.0 ft | CLAY | clay, red |
| 90.0-104.0 ft | CLAY & ROCK | clay, gravel, brown |
| 104.0-105.0 ft | CLAY & ROCKS | clay, gravel, brown |
| 105.0-130.0 ft | LIMESTONE | bedrock |
| 130.0-148.0 ft | LIMESTONE | bedrock |
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Agency Minnesota Department of Natural Resources Site Name OPDC at Hugo, Withrow School Site Number 551565 Site Type WELL Lat/Long (NAD83) 45.1275, -92.9008 Well Depth 148 Feet Elevation (NAVD88) 986.9 ft Latitude 45.127473 Longitude -92.90084 Local Aquifer Name Prairie du Chien (None) National Aquifer Name Cambrian-Ordovician aquifer system (S300CAMORD) 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 43.20 33.19 25.73 1994-12-15 2025-12-23 8311 31.0 33.69 40.00 Statistics Calculated 2026-02-21 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 42.67 37.75 34.91 31.69 30.17 27.89 26.68 25 25 Feb 38.68 37.07 34.93 31.95 30.15 28.16 27.05 26 26 Mar 40.76 39.18 36.83 33.91 30.95 29.13 27.35 28 28 Apr 40.51 39.21 36.09 33.56 30.61 27.52 27.07 29 29 May 40.70 38.82 36.68 33.55 30.37 27.72 26.78 30 30 Jun 40.78 38.54 36.46 33.54 30.11 27.86 26.39 29 29 Jul 40.80 37.78 35.74 33.35 29.61 27.80 26.23 31 31 Aug 42.59 37.62 35.71 33.25 29.46 27.46 26.68 31 31 Sep 42.59 37.77 35.93 33.09 29.28 27.39 26.65 30 30 Oct 42.65 37.60 35.61 32.85 29.93 27.78 26.46 29 29 Nov 42.81 37.76 35.87 32.78 29.81 27.94 26.13 30 30 Dec 42.78 37.14 35.28 32.70 29.81 27.88 26.31 29 29 Statistics Calculated 2026-02-21 -
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