USGS Water-Year Summary 2024
405146073032002 S 3513. 2
Northern Atlantic Coastal Plain aquifer system
Glacial Aquifer, Upper
LOCATION - Lat 40°51'46.26", long 73°03'20.74" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, at north side side of State Route 25, west of Highview Drive, Selden.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 65 ft. Upper casing diameter 2 in; top of first opening 55 ft, bottom of last opening 60 ft.
PERIOD OF RECORD - March 2012 to current year.
GAGE - Water-level recorder installed February 2017; 15-minute recording interval. Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 65.19 ft above NGVD 29, March 6, 2012; lowest recorded, 56.99 ft below NGVD 29, February 5, 2018.