LOCATION.--Lat 40°51'49", long
72°53'22" referenced to North American Datum of 1927,
Suffolk County, NY, Hydrologic Unit 02030202, at Brookhaven
National Laboratory, northwest corner of Princeton Avenue and
Upton Road, 50 ft south of parking field.
WELL CHARACTERISTICS.--Depth 91 ft. Upper casing
diameter 4 in; top of first opening 85 ft, bottom of last
opening 91 ft. Datum of gage is NGVD of 1929.
PERIOD OF RECORD.--April 1948 to current year.
GAGE.--Water-stage recorder installed December 2000; 15
minute recording intervals. Periodic manual measurements by
USGS personnel.
REMARKS.--Satellite water-level telemeter at
station.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 47.61
ft, May 8, 2010; minimum elevation measured, 33.34
ft, March 1, 1967.