LOCATION.--Lat 40°45'05", long
73°13'15" referenced to North American Datum of 1927,
Suffolk County, NY, Hydrologic Unit 02030202, at east end of
41st Street, just east of Broadway, Islip.
WELL CHARACTERISTICS.--Depth 30 ft. Upper casing
diameter 2 in; top of first opening 15 ft, bottom of last
opening 25 ft. Datum of gage is NGVD of 1929.
PERIOD OF RECORD.--April 2005 to current year.
GAGE.--Water-level recorder installed on April 2005;
15-minute recording interval. Periodic manual measurements made
by USGS personnel.
REMARKS.--Satellite water-level telemeter at
station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
recorded, 26.57 ft above NGVD 29, October 17, 2005; lowest
recorded, 22.22 ft above NGVD 29, September 1, 2016.