Funding for this site is provided by:
40°46'19", long 73°09'31" referenced to North
American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202,
10 ft downstream from bridge on dirt road in Connetquot River State
Park Preserve, 1.8 mi upstream from gaging station 01306495, 2 mi
southwest of Central Islip.
21.9 mi² of which 5.60 mi² probably is
PERIOD OF RECORD.--
Occasional low-flow measurements, water years
1968, 1973-77. November 1977 to current year.
WDR-US-2009: Drainage area.
Water-stage recorder and wooden stoplog control. Datum of
gage is 15.10 ft above NGVD of 1929.
Satellite gage-height telemeter at station.
Water years 2014-16: Records fair except those for estimated daily
discharges and those above 160 ft³/s, which are poor.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, about 510
ft³/s, Aug. 13, 2014, gage height, 5.02 ft, backwater from debris, from
rating curve extended above 80 ft³/s; minimum discharge, 9.0 ft³/s,
Aug. 18, 19, 2002, gage height, 2.24 ft.
Peak Flow and Stage Information