PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 40°31'43.3", long
74°11'53.4" referenced to North American Datum of
1983, Richmond County, NY, Hydrologic Unit 02030104, at south
side of Amboy Road, west of Vernon Avenue, Princes Bay, Staten
Island.
WELL CHARACTERISTICS.--Depth 70 ft. Upper casing diameter 2 in; top of first opening 60 ft, bottom of last opening 65 ft.
DATUM.--Land-surface datum is 61 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 0.30 ft below land-surface datum, 60.7 ft above land-surface datum, Jul. 23, 2004 to Sep. 16, 2024; Top of casing, 0.30 ft below land-surface datum, 59.35 ft above land-surface datum, Sep. 16, 2024 to present.
PERIOD OF RECORD.--July 2004 to current year.
GAGE.--Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 24.90 ft above NGVD of 1929, Jan. 4, 2006; lowest measured, 20.20 ft above NGVD of 1929, June 18, 2010.
WELL CHARACTERISTICS.--Depth 70 ft. Upper casing diameter 2 in; top of first opening 60 ft, bottom of last opening 65 ft.
DATUM.--Land-surface datum is 61 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 0.30 ft below land-surface datum, 60.7 ft above land-surface datum, Jul. 23, 2004 to Sep. 16, 2024; Top of casing, 0.30 ft below land-surface datum, 59.35 ft above land-surface datum, Sep. 16, 2024 to present.
PERIOD OF RECORD.--July 2004 to current year.
GAGE.--Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 24.90 ft above NGVD of 1929, Jan. 4, 2006; lowest measured, 20.20 ft above NGVD of 1929, June 18, 2010.
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