USGS Water-Year Summary 2024
404205073474101 Q 3988. 1
Northern Atlantic Coastal Plain aquifer system
Glacial Aquifer, Upper
LOCATION - Lat 40°42'05", long 73°47'41" referenced to North American Datum of 1927, Queens County, NY, Hydrologic Unit 02030202, at York College of the City University of New York at the northeast corner of Liberty Avenue and Guy R. Brewer Boulevard, Jamaica, Queens.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 50 ft. Upper casing diameter 2 in; top of first opening 35.2 ft, bottom of last opening 50.2 ft.
DATUM - Land-surface datum is 53 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 0.62 ft below land-surface datum, 52.38 ft above land-surface datum, Apr. 28, 2004 to Apr. 17, 2024; North side top of casing, 54.45 ft above land-surface datum, Apr. 17, 2024 to present.
PERIOD OF RECORD - May 2006 to October 2012, March 2024 to current year.
GAGE - Water level recorder installed October 2007 to August 2015, April 2024 to current year. Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 23.95 ft above NGVD of 1929, Mar. 5, 2010; lowest recorded, 20.63 ft above NGVD of 1929, Nov. 27, 2004.