Funding for this site is provided by:
40°49'58.7", long 73°08'48.2" referenced to North
American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202,
at southwest corner of Smithtown Boulevard and Nichols Road,
Depth 50 ft. Upper casing diameter 2 in;
top of first opening 46 ft, bottom of last opening 50 ft. Datum of gage
is NGVD of 1929.
PERIOD OF RECORD.--
May 1982 to current year.
Water-level recorder installed August 2008; 15-minute
recording interval. Periodic manual measurements by USGS
Replaced well S1812.2 in May 1982 near same location.
Unpublished records from April 1937 to September 1975 for wells S1812.1
to S1812.2 are available in files of the Geological Survey. Cellular
water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--
Highest water level recorded,
52.44 ft above NGVD 29, April 27, 2010; lowest measured, 40.07 ft above
NGVD 29, August 21, 2002.