PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 40°50'27.9", long
73°18'04.4" referenced to North American Datum of
1983, Suffolk County, NY, Hydrologic Unit 02030202, at east
side of Willshire Drive, 35 ft south of Renee Place,
Commack.
WELL CHARACTERISTICS.--Depth 96 ft. Upper casing diameter 2 in; top of first opening 91 ft, bottom of last opening 96 ft.
DATUM.--Land-surface datum is 146 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of coupling, 0.19 ft below land-surface datum, 145.81 ft above National Geodetic Vertical Datum of 1929, Aug. 15, 1979 to present.
PERIOD OF RECORD.--September 1978 to current year.
GAGE.--Water-level recorder installed August 2014; 15-minute recording interval. Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 77.09 ft above NGVD of 1929, Apr. 22, 2010; lowest recorded, 69.02 ft above NGVD of 1929, Mar. 22, 2017.
WELL CHARACTERISTICS.--Depth 96 ft. Upper casing diameter 2 in; top of first opening 91 ft, bottom of last opening 96 ft.
DATUM.--Land-surface datum is 146 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of coupling, 0.19 ft below land-surface datum, 145.81 ft above National Geodetic Vertical Datum of 1929, Aug. 15, 1979 to present.
PERIOD OF RECORD.--September 1978 to current year.
GAGE.--Water-level recorder installed August 2014; 15-minute recording interval. Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 77.09 ft above NGVD of 1929, Apr. 22, 2010; lowest recorded, 69.02 ft above NGVD of 1929, Mar. 22, 2017.
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