LOCATION.--Lat 40°43'44.7", long 74°00'26.3" referenced to North American Datum of 1927, New York County, NY, Hydrologic Unit 02030101, at east side of Hudson Street, 88 ft south of Clarkson Street, Manhattan.
WELL CHARACTERISTICS.--Depth 100 ft. Upper casing diameter 2 in; top of first opening undefined, bottom of last opening undefined. Screen assumed at bottom.
DATUM.--Land-surface datum is 17.82 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of steel meter box rim, at land-surface datum, 17.82 ft above land-surface datum, Oct. 27, 2004 to Apr. 26, 2010; unknown, 17.56 ft above land-surface datum, Apr. 26, 2010 to present; Undefined, 17.56 ft above land-surface datum, Jun. 22, 2010 to present.
PERIOD OF RECORD.--October 2004 to August 2012, July 2024 to current year.
GAGE.--Periodic manual measurements by USGS personnel.
REMARKS.--Water level affected by local dewatering.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 0.42 ft above NGVD of 1929, Sept. 8, 2011; lowest measured, 7.83 ft below NGVD of 1929, Jan. 20, 2010.

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