USGS Water-Year Summary 2021
01394500 RAHWAY RIVER NEAR SPRINGFIELD, NJ
LOCATION - Lat 40°41'15", long 74°18'42" referenced to North American Datum of 1983, Springfield Township, Union County, NJ, Hydrologic Unit 02030104, on left bank 50 ft downstream from bridge on eastbound U.S. Highway 22, 100 ft downstream from Pope Brook, and 1.5 mi south of Springfield.
DRAINAGE AREA - 25.5 mi².
- WSP 1622: 1945. WDR NJ-1973: 1938(M), 1968(M), 1971(M).
PERIOD OF RECORD - Continuous-record discharge station July 1938 to current year.
GAGE - Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 66.17 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,620 ft³/s, gage height, 10.88 ft Aug 28, 2011, from high-water mark in gage house, from rating curve extended above 5,600 ft³/s on basis of slope-area measurement of peak flow; minimum discharge, 0.10 ft³/s, Sep 11, 1966.
PERIOD OF RECORD - Water years 1978 to current year.