AA Cc 117
U.S. Geological Survey
Located in Anne Arundel County, Maryland, this groundwater monitoring location is associated with a water well in the Northern Atlantic Coastal Plain aquifer system.
Well Construction
| Depth | Description | |
|---|---|---|
| 147.0-149.0 ft | 4.0 in diameter steel casing | |
| -3.0-8.0 ft | 6.0 in diameter steel casing | |
| 8.0-137.0 ft | 4.0 in diameter steel casing | |
| 137.0-147.0 ft | 4.0 in diameter steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 137.0-147.0 ft | - | - |
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Agency U.S. Geological Survey Site Name AA Cc 117 Site Number 390103076402603 Site Type WELL Lat/Long (NAD83) 39.0177, -76.6739 Well Depth 149 Feet Elevation (NGVD29) 134.14 ft Latitude 39.0176944444444 Longitude -76.6738888888889 Local Aquifer Name Magothy Formation (None) National Aquifer Name Northern Atlantic Coastal Plain aquifer system (S100NATLCP) Aquifer Type CONFINED Water-Level Well Type Surveillance 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 91.27 83.42 76.09 1979-06-28 2025-08-27 127 46.2 78.89 Statistics Calculated 2026-01-22 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 -
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