USGS Water-Year Summary 2024
405856072325801 S125005. 1
Northern Atlantic Coastal Plain aquifer system
Glacial Aquifer, Upper
LOCATION - Lat 40°58'56.49", long 72°32'58.23" 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 24.8 ft. Upper casing diameter 1.25 in; top of first opening 21.8 ft, bottom of last opening 24.8 ft. Datum of gage is NGVD of 1929.
PERIOD OF RECORD - March 2014 to November 2023.
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 measured, 5.25 ft above NAVD 88, March 19, 2018; lowest measured, 2.84 ft above NGVD 29, December 10, 2015.