LOCATION.--Lat 40°46'18.71", long
73°16'42.82" referenced to North American Datum of
1983, Suffolk County, NY, Hydrologic Unit 02030202,
at west side of North
Gardiner Drive, south of Pine Aire Drive.
WELL CHARACTERISTICS.--Depth 55 ft. Upper casing
diameter 2 in; top of first opening 45 ft, bottom of last
opening 50 ft.
DATUM.--Land-surface datum is 91 ft above National
Geodetic Vertical Datum of 1929. Measuring point: unknown,
91.81 ft above land-surface datum, Sep. 4, 2009 to Dec. 20,
2017; Top of 2" PVC, north side, 90.89 ft above
land-surface datum, Dec. 1, 2017 to Nov. 27, 2023; Top of
2" PVC, north side, 90.872 ft above land-surface datum,
Nov. 27, 2023 to present.
PERIOD OF RECORD.--September 2009 to current year.
GAGE.--Water-level recorder installed September 2009;
15-minute recording interval. Cellular telemetry installed May
2022. Periodic manual measurements made by USGS
personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
recorded, 54.84 ft above NAVD of 1988 (55.99 ft above NGVD of
1929), Apr. 28, 2010; lowest recorded, 45.05 ft above NAVD of
1988 (46.20 ft above NGVD of 1929), Mar. 13, 2017.