LOCATION.--Lat 40°49'31", long
73°38'21" referenced to North American Datum of 1927,
Nassau County, NY, Hydrologic Unit 02030201, at Scudders Lane
and Motts Cove Road, Glenwood Landing.
WELL CHARACTERISTICS.--Depth 519 ft. Upper casing
diameter 16 in; top of first opening 445 ft, bottom of last
opening 515 ft.
PERIOD OF RECORD.--January 1946 to current year.
Unpublished records for 1946-48, 1952, 1955, 1961, 1965, and
1970-75 are available in files of the U.S. Geological
Survey.
GAGE.--Water-level recorder installed December 1986;
15-minute recording interval. Periodic manual measurements made
by USGS personnel.
REMARKS.--Water level affected by tidal fluctuation and
nearby pumping. Cellular water-level telemeter at
station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 27.99 ft above NGVD of 1929, Dec. 15, 1970; lowest
recorded, 10.57 ft below NGVD of 1929, August 7, 1999.