PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 40°45'04.4", long
73°13'14.5" referenced to North American Datum of
1983, Suffolk County, NY, Hydrologic Unit 02030202, at east end
of 41st Street, just east of Broadway, Islip.
WELL CHARACTERISTICS.--Depth 30 ft. Upper casing diameter 2 in; top of first opening 15 ft, bottom of last opening 25 ft. Datum of gage is NGVD of 1929.
PERIOD OF RECORD.--April 2005 to November 2023 (discontinued).
GAGE.--Water-level recorder installed on April 2005; 15-minute recording interval. Periodic manual measurements made by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level recorded, 26.57 ft above NGVD of 1929, Oct. 17, 2005; lowest recorded, 22.22 ft above NGVD of 1929, Sept. 1, 2016.
WELL CHARACTERISTICS.--Depth 30 ft. Upper casing diameter 2 in; top of first opening 15 ft, bottom of last opening 25 ft. Datum of gage is NGVD of 1929.
PERIOD OF RECORD.--April 2005 to November 2023 (discontinued).
GAGE.--Water-level recorder installed on April 2005; 15-minute recording interval. Periodic manual measurements made by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level recorded, 26.57 ft above NGVD of 1929, Oct. 17, 2005; lowest recorded, 22.22 ft above NGVD of 1929, Sept. 1, 2016.
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