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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
382549076260101 CA Ed 52
Northern Atlantic Coastal Plain aquifer system
Aquia Formation
Aquia Formation
LOCATION - Lat 38°25'59.7", long 76°26'13.0" referenced to North American Datum of 1983, Calvert County, MD, Hydrologic Unit 02060004, Rt 2 & 4, 4.3 mi. southeast of St. Leonard.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 590 ft. Upper casing diameter 4.5 in; top of first opening 565 ft, bottom of last opening 580 ft. Drilled, observation, artesian well.
DATUM - Land-surface datum is 9.92 ft above North American Vertical Datum of 1988. Measuring point: Top of recorder platform, 1.4 ft above land-surface datum, Apr. 27, 1995 to Nov. 7, 2017; Leveled using GPS on 11/06/18 alt of LS was 10 feet using topo, now 9.92, 1.2 ft above land-surface datum, Nov. 6, 2017 to Nov. 7, 2017; Top of inner PVC casing, 1.2 ft above land-surface datum, Nov. 7, 2017 to present.
PERIOD OF RECORD - April 1995 to current year.
GAGE - Water Year 2024: Records fair.
Water Year 2019 - 2023 Records good.
Water Year 2018: Records fair.
Water Year 2017: Records fair; missing data due to equipment malfunction.
Water Years 2014-2016: Records good.
Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.
Water-level measurements by U.S. Geological Survey personnel. Equipped with digital water-level recorder--15-minute recorder interval from April 1995 to current year.
Water-level measurements by U.S. Geological Survey personnel. Equipped with digital water-level recorder--15-minute recorder interval from April 1995 to current year.
REMARKS - Maryland Ground-Water-Level Monitoring Network observation well. Water levels are affected by local and regional ground-water withdrawal.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 80.66 feet below land surface, May 21, 1995 (recorder; verified from old paper ADR); lowest measured, 133.24 feet below land surface, September 19, 2018 (recorder).
