USGS Water-Year Summary 2023
404530073181102 S 76016. 2
Northern Atlantic Coastal Plain aquifer system
Magothy Aquifer
LOCATION - Lat 40°45'30.7", long 73°18'09.1" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, at south side of Burt Lane, 149 ft west of West Jefryn Boulevard, Deer Park.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 762 ft. Upper casing diameter 4 in; top of first opening 752 ft, bottom of last opening 757 ft.
PERIOD OF RECORD - June 1984 to current year.
GAGE - Water-level recorder installed August 2014; 15-minute recording intervals. Periodic manual measurements made by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 46.77 ft above sea level, November 16, 1990; lowest recorded, 36.96 ft above sea level, August 30, 2016.