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Water-Year Summary for Site 405743072425701

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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 2021: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2021
405743072425701 S 4271. 1
Northern Atlantic Coastal Plain aquifer system
Glacial Aquifer, Upper
LOCATION - Lat 40°57'43", long 72°42'57" referenced to North American Datum of 1927, Suffolk County, NY, Hydrologic Unit 02030202, at Long Island Research Farm, east of Horton Avenue, south of Sound Avenue, Riverhead.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 105 ft. Upper casing diameter 4 in; top of first opening 100 ft, bottom of last opening 105 ft. Measuring point is 99.94 ft above NGVD of 1929, 0.36 ft below land-surface datum.
PERIOD OF RECORD - August 1945 to current year.
GAGE - Water-level recorder installed November 2006; 15-minute recording interval. Periodic manual measurements made by USGS personnel.
REMARKS - Satellite water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 15.43 ft above NGVD of 1929, June 3, 2010; lowest measured, 8.16 ft above NGVD of 1929, Sept. 5, 1966.