USGS Water-Year Summary 2024
404618073164205 S 1810. 5
Northern Atlantic Coastal Plain aquifer system
Glacial Aquifer, Upper
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.
GROUNDWATER RECORDS
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.