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Water-Year Summary for Site 384333076394701

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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.
Available Parameters
72019 Water level, depth LSD(Min.,Max.,Mean)  

Water year 2021: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2021
384333076394701 CA Bb 27
Northern Atlantic Coastal Plain aquifer system
Aquia Formation
LOCATION - Lat 38°43'34.0", long 76°39'48.2" referenced to North American Datum of 1983, Calvert County, MD, Hydrologic Unit 02060006, at Dunkirk Regional Park, Dunkirk.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 320 ft. Upper casing diameter 4 in; top of first opening 310 ft, bottom of last opening 320 ft. Drilled, observation, artesian well.
DATUM - Land-surface datum is 137.87 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 4 in casing, 2.97 ft above land-surface datum, Oct. 19, 2005 to present.
PERIOD OF RECORD - August 1979 to current year.
GAGE -
  • 2020 Water Year records good.
  • 2019 Water Year records good. 
  • 2019 Water Year records satisfactory. 
  • 2014-2018 Water Years: records good.
  • For 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 from February 2004 to current year.
  • REMARKS - Maryland Groundwater-Level Monitoring Network observation well. Water levels are affected by regional groundwater withdrawal.
    EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 4.05 ft above sea level, (133.82 feet below land surface) May 6, 1980; lowest measured, 49.19 ft below sea level, (187.06 feet below land surface) August 18, 2007 (recorder).