Funding for this site is provided by:
40°40'30", long 73°29'37" referenced to North
American Datum of 1927, Nassau County, NY, Hydrologic Unit 02030202, at
Long Island Railroad track embankment, 200 ft north of Sunrise Highway
(State Route 27), west of Seaford-Oyster Bay Expressway (State Route
Depth 723 ft. Upper casing diameter 4 in;
top of first opening undefined, bottom of last opening undefined.
Screen assumed at bottom.
PERIOD OF RECORD.--
June 1952 and April 1957 to current
Digital water-level recorder; 15-minute recording
interval. Periodic measurements made with chalked steel tape or
calibrated electric tape by U.S. Geological Survey personnel.
Cellular water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--
Highest water level recorded,
21.08 ft above sea level, June 6, 1952; lowest recorded, 8.46 ft above
sea level, September 4, 2015 and September 5, 2015.