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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.
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USGS Water-Year Summary 2024
01403900 BOUND BROOK AT MIDDLESEX, NJ
LOCATION - Lat 40°35'06", long 74°30'28" referenced to North American Datum of 1983, Green Brook Township, Somerset County, NJ, Hydrologic Unit 02030105, on downstream right wingwall of bridge on Sebrings Mills Road (Greenbrook Road) at Middlesex, 0.4 mi downstream of mouth of Green Brook, and 2.3 mi upstream of mouth.
DRAINAGE AREA - 48.4 mi².
REVISIONS HISTORY - WDR US-2011: 1996(M), 1997(M), 1999(M), 2007(M), 2010(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Continuous-record discharge station June 1972 to September 1977, April 1996 to September 1998, February 2004 to September 2011 and February 2013 to current. Prior to October 1977, located on right bank, 107 ft upstream of bridge on Sebrings Mill Road, published as "Green Brook at Middlesex, NJ." Operated as an annual maximum gage water years 1992 to 1995, and 1999 to 2003.
GAGE - Water-stage and precipitation recorder with telemetry and crest-stage gage. Datum of gage is 26.52 ft above NGVD of 1929. Continuous gage 1972-77 at site 130 ft upstream, datum at NGVD of 1929.
REMARKS - Records good, except for estimated discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 7,000 ft³/s, Aug 2, 1972, gage height, 41.18 ft, site and datum then in use; minimum discharge, 2.5 ft³/3, Jul 21, 1974.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1974, 1996-98, 2001-12.
