49V 1
U.S. Geological Survey
Located in Prince William County, Virginia, this groundwater monitoring location is associated with a water well in the Early Mesozoic basin aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| -2.0-10.0 ft | 7.0 in diameter steel casing | |
| 50.0-51.0 ft | 6.5 in diameter other screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-7.0 ft | Alluvium | Alluvium |
| 7.0-None ft | Sedimntry (undf) | Sedimntry (undf) |
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Agency U.S. Geological Survey Site Name 49V 1 Site Number 385607077381101 Site Type WELL Lat/Long (NAD83) 38.9354, -77.6361 Well Depth 165 Feet Elevation (NAVD88) 422.84 ft Latitude 38.9353888123821 Longitude -77.6361035619004 Local Aquifer Name Jurassic System (None) National Aquifer Name Early Mesozoic basin aquifers (N300ERLMZC) 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 14.77 9.33 6.39 1968-11-07 2024-12-03 8736 56.1 10.68 6.250 Statistics Calculated 2024-12-04 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 11.46 9.70 9.32 8.71 8.20 7.87 7.34 49 49 Feb 9.99 9.31 8.86 8.55 8.14 7.84 7.33 48 48 Mar 9.81 9.41 8.99 8.52 8.11 7.46 6.95 46 46 Apr 10.33 9.65 9.32 8.53 8.08 7.87 7.30 49 49 May 10.36 10.19 9.72 9.14 8.75 7.97 6.97 45 45 Jun 11.59 10.69 10.25 9.85 9.00 8.67 7.15 50 50 Jul 13.15 11.45 10.84 10.36 9.82 8.57 8.11 50 50 Aug 12.22 11.71 11.04 10.51 10.0 9.46 8.50 48 48 Sep 11.99 11.80 11.20 10.44 9.76 8.74 7.33 46 46 Oct 12.11 11.64 10.98 10.26 9.26 8.11 7.45 52 52 Nov 11.60 11.02 10.36 9.58 8.59 7.73 7.08 47 47 Dec 10.99 10.31 9.44 8.88 8.24 7.73 7.08 46 46 Statistics Calculated 2024-12-04 -
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