LOCATION.--Lat 41°06'36.9", long
72°22'35.9" referenced to North American Datum of
1983, Suffolk County, NY, Hydrologic Unit 02030202, at west
side of Moore Lane, 61 ft south of North Road (State Route 25),
Southold.
WELL CHARACTERISTICS.--Depth 28 ft. Upper casing
diameter 2 in; top of first opening 20 ft, bottom of last
opening 24 ft.
DATUM.--Land-surface datum is 16 ft above National
Geodetic Vertical Datum of 1929. Measuring point: Top of
coupling, 0.13 ft below land-surface datum, 15.87 ft above
National Geodetic Vertical Datum of 1929, Jul. 8, 1982 to
present.
PERIOD OF RECORD.--July 1982 to current year.
GAGE.--Water-level recorder installed March 2017;
15-minute recording intervals. Periodic manual measurements by
USGS personnel.
REMARKS.--Water level affected by tidal
fluctuation.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 6.18 ft above NGVD of 1929, Apr. 7, 2010; lowest
measured, 1.47 ft above NGVD of 1929, Dec. 21, 1999.