LOCATION.--Lat 40°39'58", long 73°44'58" referenced to North American Datum of 1927, Queens County, NY, Hydrologic Unit 02030202, at south side of North Conduit Avenue, 1,775 ft west of 225th Street, in ravine, westernmost well, Rosedale.
WELL CHARACTERISTICS.--Depth 130 ft. Upper casing diameter 8 in; top of first opening undefined, bottom of last opening undefined. Screen assumed at bottom.
DATUM.--Land-surface datum is 10 ft above National Geodetic Vertical Datum of 1929. Measuring point: Notch in north edge hole in cap of casing, 14.71 ft above land-surface datum, Nov. 20, 1968 to Apr. 22, 2024; Notch in north edge hole in cap of casing, 13.542 ft above land-surface datum, Apr. 22, 2024 to present.
PERIOD OF RECORD.--November 1968 to current year. Unpublished records for November 1968 to September 1987 are available in files of the U.S. Geological Survey.
GAGE.--Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 11.16 ft above NGVD of 1929, Apr. 2, 2010; lowest measured, 1.19 ft above NGVD of 1929, Sept. 3, 1987.

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