LOCATION.--Lat 40°58'56.53", long
72°32'40.88" referenced to North American Datum of
1983, Suffolk County, NY, Hydrologic Unit 02030202, at north
side of Main Road (State Route 25), east of Laurel Lake,
Mattituck.
WELL CHARACTERISTICS.--Depth 21.5 ft. Upper casing
diameter 1.25 in; top of first opening 18.5 ft, bottom of last
opening 21.5 ft. Datum of gage is NAVD of 1988.
PERIOD OF RECORD.--March 2014 to current year.
GAGE.--Water-level recorder installed May 2015;
15-minute recording interval. Periodic manual measurements made
by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level,
5.36 ft above NAVD 88, June 26, 2019; lowest, 2.59 ft above
NAVD 88, Oct. 1, 2022.