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.
WELL CHARACTERISTICS.--Depth 762 ft. Upper casing
diameter 4 in; top of first opening 752 ft, bottom of last
opening 757 ft.
DATUM.--Land-surface datum is 61.71 ft above North
American Vertical Datum of 1988. Measuring point: Top of
coupling, 0.33 ft below land-surface datum, 63.17 ft above
land-surface datum, Feb. 1, 1984 to Sep. 24, 2024; Top of
coupling, 0.33 ft below land-surface datum, 61.48 ft above
land-surface datum, Sep. 24, 2024 to present.
PERIOD OF RECORD.--June 1984 to current year.
GAGE.--Water-level recorder installed August 2014 to
October 2024; 15-minute recording intervals. Periodic manual
measurements made by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 45.08 ft above NAVD of 1988 (46.77 ft above NGVD of
1929), Nov. 16, 1990; lowest recorded, 35.26 ft above NAVD of
1988 (36.94 ft above NGVD of 1929), Aug. 30, 2016.