LOCATION.--Lat 40°52'22.2", long
72°52'32.8" referenced to North American Datum of
1983, Suffolk County, NY, Hydrologic Unit 02030202, at
Brookhaven National Laboratory, northeast corner of Thomson
Road and Forth Avenue, Upton.
WELL CHARACTERISTICS.--Depth 962 ft. Upper casing
diameter 4 in; top of first opening 952 ft, bottom of last
opening 962 ft.
PERIOD OF RECORD.--July 1949 to June 1952, January 1954
to current year.
GAGE.--Water-level recorder installed September 2015;
15-minute recording interval. Periodic manual measurements by
USGS personnel.
REMARKS.--Cellular water-level telemeter at
station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 42.50 ft above NGVD of 1929, Apr. 2, 1979; lowest
recorded, 33.75 ft above NGVD of 1929, Dec. 20, 2016.