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Water-Year Summary for Site 404757073440401

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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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
404757073440401 N 9099. 1
Northern Atlantic Coastal Plain aquifer system
Glacial Aquifer, Upper
LOCATION - Lat 40°47'58.5", long 73°44'03.5" referenced to North American Datum of 1983, Nassau County, NY, Hydrologic Unit 02030201, at northwest corner of Middle Neck Road and Preston Road, Great Neck.
REVISIONS HISTORY - Groundwater levels for the period Aug. 1, 2019 to July 26, 2022, were periodically influenced by the well flooding during precipitation events. These erroneous precipitation spikes were deleted on Mar. 3, 2023.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 71 ft. Upper casing diameter 4 in; top of first opening 66 ft, bottom of last opening 71 ft.
PERIOD OF RECORD - April 1976 to January 2000 and March 2002 to current year.
GAGE - Water-level recorder installed July 2002; 15-minute recording interval. Periodic manual measurements made by USGS personnel.
REMARKS - Cellular water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 30.18 ft above sea level, Aug. 20, 2019; lowest measured, 14.90 ft above sea level, November 26, 1982.