PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 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,
Ronkonkoma.
WELL CHARACTERISTICS.--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.
GAGE.--Water-level recorder installed August 2008; 15-minute recording interval. Periodic manual measurements by USGS personnel.
REMARKS.--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 Unpublished records from April 1937 to September 1975 for wells S1812.1 to S1812.2 are available in files of the Geological Survey.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 of 1929, Apr. 27, 2010; lowest measured, 40.07 ft above NGVD of 1929, Aug. 21, 2002.
WELL CHARACTERISTICS.--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.
GAGE.--Water-level recorder installed August 2008; 15-minute recording interval. Periodic manual measurements by USGS personnel.
REMARKS.--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 Unpublished records from April 1937 to September 1975 for wells S1812.1 to S1812.2 are available in files of the Geological Survey.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 of 1929, Apr. 27, 2010; lowest measured, 40.07 ft above NGVD of 1929, Aug. 21, 2002.
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