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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.
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USGS Water-Year Summary 2024
405146073032002 S 3513. 2
Northern Atlantic Coastal Plain aquifer system
Glacial Aquifer, Upper
Glacial Aquifer, Upper
LOCATION - Lat 40°51'46.26", long 73°03'20.74" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, at north side side of State Route 25, west of Highview Drive, Selden.
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 99.06 ft above National Geodetic Vertical Datum of 1929. Measuring point: MP is north side of top of casing 0.02 ft below land surface, 99.04 ft above National Geodetic Vertical Datum of 1929, Sep. 24, 2009 to May. 2, 2018; Top of 2 inch PVC casing 0.60 FT below land surface, 99.87 ft above National Geodetic Vertical Datum of 1929, May. 1, 2018 to present.
PERIOD OF RECORD - March 2012 to current year.
GAGE - Water-level recorder installed February 2017 to December 2023; 15-minute recording interval. Periodic manual measurements by USGS personnel.
REMARKS - Replaces well S3513.1 in March 2012 near same location.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 65.19 ft above NGVD of 1929, Mar. 6, 2012; lowest recorded, 56.99 ft above NGVD of 1929, Feb. 5, 2018.
