LOCATION.--Lat 40°40'36", long 73°58'40" referenced to North American Datum of 1927, Kings County, NY, Hydrologic Unit 02030201, at north side of Lincoln Place, 120 ft east of 6th Avenue, easternmost well, Park Slope.
WELL CHARACTERISTICS.--Depth 70 ft. Upper casing diameter 2 in; top of first opening 65 ft, bottom of last opening 70 ft.
DATUM.--Land-surface datum is 60.6 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of coupling, 1.6 ft below land-surface datum, 59.0 ft above land-surface datum, Mar. 2, 1984 to present.
PERIOD OF RECORD.--March 1984 to October 1985, June 1988 to April 2015, July 2024 to current year.
GAGE.--Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 20.16 ft above NGVD of 1929, June 28, 1984; lowest measured, 12.96 ft above NGVD of 1929, June 18, 2002.

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