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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
403410074084101 R 126. 1
Northern Atlantic Coastal Plain aquifer system
Harbor Hill Ground Moraine
Harbor Hill Ground Moraine
LOCATION - Lat 40°34'10.4", long 74°08'41.2" referenced to North American Datum of 1983, Richmond County, NY, Hydrologic Unit 02030104, at west side of Clarke Avenue, northeast corner of Mt. Richmond Cemetery, Richmondtown, Staten Island.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 65 ft. Upper casing diameter 2 in; top of first opening 55 ft, bottom of last opening 60 ft.
DATUM - Land-surface datum is 45 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 1.50 ft below land-surface datum, 43.5 ft above land-surface datum, Aug. 26, 2004 to present.
PERIOD OF RECORD - August 2004 to August 2013.
GAGE - Water level recorder installed November 2005 to August 2013. Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 10.92 ft above NGVD of 1929, Apr. 29, 2010; lowest recorded, 7.96 ft above NGVD of 1929, Jan. 31, 2011.
