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Water-Year Summary for Site 405223072523401

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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.
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Available Parameters
62610 Elevation, GW, NGVD29(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
405223072523401 S 6434. 1
Northern Atlantic Coastal Plain aquifer system
Lloyd Aquifer
LOCATION - Lat 40°52'22.2", long 72°52'32.6" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, at Brookhaven National Laboratory, northeast corner of Thomson Road and Forth Avenue, Upton.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 1,395 ft. Upper casing diameter 10 in; top of first opening 1,312 ft, bottom of last opening 1,392 ft.
PERIOD OF RECORD - August 1949 to current year.
GAGE - Water-level recorder installed September 2015; 15-minute recording interval. Periodic manual measurements by USGS personnel.
REMARKS - Cellular water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 36.11 ft above NGVD of 1929, July 12, 1979; lowest recorded, 28.40 ft above NGVD of 1929, Oct. 3, 2017.