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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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
01306460 CONNETQUOT BROOK NEAR CENTRAL ISLIP, NY
LOCATION - Lat 40°46'20.2", long 73°09'31.2" 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.
DRAINAGE AREA - 21.9 mi² of which 5.60 mi² probably is noncontributing.
REVISIONS HISTORY - WDR-US-2009: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Occasional low-flow measurements, water years 1968, 1973-77. November 1977 to current year.
GAGE - Water-stage recorder and wooden stoplog control. Datum of gage is 15.10 ft above NGVD of 1929 and 13.98 ft above NAVD of 1988 (VERTCON).
REMARKS - Water Years 2014-23: 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; minimum gage height observed, 1.46 ft, Apr. 1, 1996.
