USGS Water-Year Summary for Site 01395000

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	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

01395000 RAHWAY RIVER AT RAHWAY, NJ

LOCATION - Lat 40°37'08", long 74°17'00" referenced to North American Datum of 1983, Rahway City, Union County, NJ, Hydrologic Unit 02030104, on left bank, 100 ft upstream from bridge on St. Georges Avenue in Rahway, and 0.9 mi upstream from Robinsons Branch, and 1.7 mi southwest of Linden.

DRAINAGE AREA - 40.9 mi².

REVISIONS HISTORY - WSP 781: Drainage area. WSP 1552: 1922-23(M), 1924, 1930-31(M), 1937. WDR NJ-79-1: 1978.

SURFACE-WATER RECORDS

PERIOD OF RECORD - Continuous-record discharge station, October 1921 to current year. Gage heights and discharge measurements only, July 1908 to April 1915.

GAGE - Water-stage recorder with telemetry and concrete control. Datum of gage is 8.77 ft above NGVD of 1929. Prior to Aug 25, 1934, non-recording gage at site 40 ft downstream from Church Street and 1,500 ft downstream from present site at datum 2.77 ft lower.

REMARKS - Records good, except for estimated discharges, which are fair. Water for municipal supply diverted from river by cities of Rahway and Orange. The flow past this station is affected by diversions by pumpage from wells by the communities of Orange and South Orange, Springfield station of Elizabethtown Water Company (now New Jersey American Water Company, wells deactivated in late 1980s), by storage in the Lenape Park Detention Basin (since 1980), and by gate operations at Hansels Dam 5.6 mi upstream from gage in Cranford and Taylor Park Dam on the West Branch Rahway River in Millburn 11.6 mi upstream from gage.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,250 ft³/s, Aug 28, 2011, gage height, 12.10 ft, from high-water mark inside gage house; minimum discharge, 0.0 ft³/s, many days, an undetermined amount of negative flow may have occurred during tidal surge on Oct 29-30, 2012.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1923-24, 1952, 1962, 1967-70, 1979 to current year.

REMARKS - Discrete water-quality data were collected as part of the New Jersey Ambient Surface-Water-Quality Monitoring Network.