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Water-Year Summary for Site 383348076411301

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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
62610 Elevation, GW, NGVD29(Max.,Min.,Mean) [Discontinued]  
72019 Water level, depth LSD(Min.,Mean,Max.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
383348076411301 PG Hf 40
Northern Atlantic Coastal Plain aquifer system
Upper Patapsco Aquifer In the Patapsco Formation
LOCATION - Lat 38°33'48.6", long 76°41'07.2" referenced to North American Datum of 1983, Prince George's County, MD, Hydrologic Unit 02060006, 0.4 mi. south of Eagle Harbor.
REVISIONS HISTORY - https://waterdata.usgs.gov/nwis/dv/?site_no=383348076411301: 1998.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 870 ft. Upper casing diameter 6 in; top of first opening 860 ft, bottom of last opening 870 ft. Drilled, observation, artesian well.
DATUM - Land-surface datum is 27.98 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of recorder shelter platform, 2.59 ft above land-surface datum, Aug. 4, 1993 to Aug. 22, 2019; Top of steel casing, 2.49 ft above land-surface datum, Aug. 22, 2019 to present.
PERIOD OF RECORD - December 1974 to current year.
GAGE - Water-level recorder. Maryland Groundwater-Level Monitoring Network observation well.
REMARKS -
  • Water Years 2014-2023: 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 graphic water-level recorder from December 1974 to July 1976. Equipped with digital water-level recorder--60-minute recorder interval from July 1976 to August 2019. Equipped with digital water-level recorder--15-minute recorder interval from August 2019 to current year. Water levels are affected by local and regional groundwater withdrawal.
    • EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 9.64 ft above sea level, (which is 18.34 ft Below Land Surface) January 11, 1975 (recorder); lowest measured, 53.93 ft below sea level, (which is 81.91 ft. Below Land Surface) March 12, 2016 (recorder).