USGS Water-Year Summary 2022
01380450 ROCKAWAY RIVER AT MAIN STREET, AT BOONTON, NJ
LOCATION - Lat 40°54'27", long 74°25'09" referenced to North American Datum of 1983, Boonton Town, Morris County, NJ, Hydrologic Unit 02030103, at bridge on West Main Street in Boonton, 0.8 mi upstream of Interstate 287 bridge, 1.2 mi northeast from Wildwood Lake, and 1.5 mi upstream from Boonton reservoir.
DRAINAGE AREA - 116 mi².
- WYS-US-2014: 2011(M). Revisions prior to water year 2014 available from Water Data Reports (WDR) listed above in Revised Records. Revisions subsequent to Water Year 2014 can be obtained by using this link
PERIOD OF RECORD - Continuous-record gaging station, October 1937 to current year. Monthly discharge only for October 1937, published in WSP 1302. Prior to October 1, 2011, published as Rockaway River above Reservoir at Boonton (station 01380500).
GAGE - Water-stage and air temperature recorder with telemetry and crest-stage gage. Datum of gage is 479.00 ft above NAVD of 1988. Prior to October 1 2011, gage was located 0.8 mi downstream, at a datum of 364.47 ft above NGVD of 1929 (levels from New Jersey Geological Survey benchmark), and drainage area of 116 mi².
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,500 ft³/s, Aug 28, 2011, on basis of step-backwater computation of peak flow; maximum gage height, 9.31 ft, Aug 28, 2011, site and datum then in use; minimum daily discharge, 5.7 ft³/s, Aug 10, 1999.