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Water-Year Summary for Site 405856072324001

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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)  
62611 Elevation, GW, NAVD88(Mean)  

Water year 2025: 2025-10-01 to 2026-09-30
 
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USGS Water-Year Summary 2025
405856072324001 S125004. 1
Northern Atlantic Coastal Plain aquifer system
Glacial Aquifer, Upper
LOCATION - Lat 40°58'56.53", long 72°32'40.88" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, at north side of Main Road (State Route 25), east of Laurel Lake, Mattituck.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 21.5 ft. Upper casing diameter 1.25 in; top of first opening 18.5 ft, bottom of last opening 21.5 ft. Datum of gage is NAVD of 1988.
DATUM - Land-surface datum is 7 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 8.42 ft above North American Vertical Datum of 1988, Dec. 10, 2015 to present.  
PERIOD OF RECORD - March 2014 to current year.
GAGE - Water-level recorder installed May 2015; 15-minute recording interval. Periodic manual measurements made by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 5.85 ft above NAVD of 1988 (6.79 ft above NGVD of 1929), May 20, 2019; lowest measured, 1.42 ft above NAVD of 1988 (2.36 ft above NGVD of 1929), Dec. 10, 2015.