CA Fd 54
U.S. Geological Survey
Located in Calvert County, Maryland, this groundwater monitoring location is associated with a water well in the Northern Atlantic Coastal Plain aquifer system.
Well Construction
| Depth | Description | |
|---|---|---|
| -1.0-234.0 ft | 4.0 in diameter steel casing | |
| 234.0-641.0 ft | 2.0 in diameter steel casing | |
| 651.0-698.0 ft | 2.0 in diameter steel casing | |
| 641.0-651.0 ft | 3.0 in diameter steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 641.0-651.0 ft | - | - |
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Agency U.S. Geological Survey Site Name CA Fd 54 Site Number 382407076260301 Site Type WELL Lat/Long (NAD83) 38.4023, -76.4346 Well Depth 698 Feet Elevation (NGVD29) 129.4 ft Latitude 38.40225 Longitude -76.4346111111111 Local Aquifer Name Aquia Formation (None) National Aquifer Name Northern Atlantic Coastal Plain aquifer system (S100NATLCP) Aquifer Type CONFINED Water-Level Well Type Trend Water-Level Well Characteristics Known Changes 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 243.71 230.93 150.66 1978-10-12 2025-04-17 7858 46.5 242.88 0.0 Statistics Calculated 2025-04-18 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 242.86 240.60 238.16 228.62 172.99 156.94 152.06 47 47 Feb 242.59 240.60 238.15 227.78 175.73 157.15 152.30 45 45 Mar 242.44 239.82 237.11 226.78 173.68 157.19 151.42 47 47 Apr 241.34 239.35 237.69 228.77 180.69 158.25 151.49 44 44 May 240.78 239.64 237.70 225.68 173.13 156.70 151.25 45 45 Jun 241.67 240.13 238.58 232.44 176.84 158.57 151.25 44 44 Jul 242.77 240.97 239.27 231.67 175.08 157.04 151.35 46 46 Aug 243.09 241.70 240.03 233.34 175.97 158.26 153.46 46 46 Sep 243.30 241.87 240.59 235.18 185.32 163.99 153.73 43 43 Oct 242.79 241.56 239.71 233.00 176.32 158.75 152.33 46 46 Nov 242.95 241.21 238.84 234.23 181.91 158.80 154.24 45 45 Dec 243.05 240.66 238.88 233.76 181.88 160.32 152.55 45 45 Statistics Calculated 2025-04-18 -
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