LOCATION.--Lat 40°43'58.4", long
72°52'03.1" referenced to North American Datum of
1927, Suffolk County, NY, Hydrologic Unit 02030202, at Fire
Island National Seashore, along middle of west-side of corral
area, Smith Point.
WELL CHARACTERISTICS.--Depth 25 ft. Upper casing
diameter 2 in; top of first opening 15 ft, bottom of last
opening 20 ft. Datum of gage is NGVD of 1929.
PERIOD OF RECORD.--August 2005 to October 2006, April
2014 to October 2023.
GAGE.--Water-level recorder installed April 2014;
15-minute recording interval. Periodic manual measurements by
USGS personnel.
REMARKS.--Water level affected by tidal
fluctuation.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
recorded, 4.97 ft above NGVD 29, March 8, 2018; lowest
recorded, 1.06 ft above NGVD 29, January 10, 11, 2018.