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Water-Year Summary for Site 01388500

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Available Parameters
00060 Discharge(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
01388500 POMPTON RIVER AT POMPTON PLAINS, NJ
LOCATION - Lat 40°58'11", long 74°16'55" referenced to North American Datum of 1983, Wayne Township, Passaic County, NJ, Hydrologic Unit 02030103, on left bank just upstream of the Passaic Valley Water Commission pumping station, 800 ft downstream of confluence of Pequannock and Ramapo Rivers, 140 ft upstream from bridge on Jackson Avenue (Pompton Plains Cross Road), and 0.7 mi east of Pompton Plains.
DRAINAGE AREA - 355 mi².
REVISIONS HISTORY - WSP 1202: 1945(M). WDR-US-08: 1963(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Continuous-record discharge station March 1903 to December 1904, May 1940 to current year. Monthly discharge only for some periods, published in WSP 1302.
GAGE - Water-stage recorder with telemetry, crest-stage gage, and concrete control. Datum of gage is 160.00 ft above NGVD of 1929. March 1903 to December 1904, non-recording gage on main spillway of dam 2,000 ft upstream at different datum. May 1940 to September 1964 two water-stage recorders, each above a concrete dam about 2,000 ft upstream at datum 14.46 ft higher.
REMARKS - Records good, except for estimated discharges which are fair. Former Pompton feeder canal located about 2,000 ft upstream diverted an average of about 43 cfs to Morris canal prior to 1924. Water diverted from reservoirs on Pequannock and Wanaque Rivers, from Pompton River to Point View Reservoir, and from Ramapo River to Wanaque Reservoir and Oradell Reservoir (from February 1985) for municipal supply. Discharges for water years 1965-68 have been adjusted in USGS databases in water year 2004 to reflect only flow over weir. Previously published discharges for water years 1965-68 included flow over the weir, plus pumpage to, or minus releases from Point View Reservoir through Passaic Valley Water Commission's Jackson Avenue Pumping Station. All published discharges, since water year 1969, have included only flow over the weir. Flow regulated by Canistear, Oak Ridge, Clinton, Charlotteburg, and Echo Lake Reservoirs on Pequannock River and by Greenwood Lake (see 01383000), Monksville, and Wanaque (see 01386990) Reservoirs on Wanaque River. Beginning in 2007, stage and discharge fluctuations occur at the location during high flow probably due to the operation of automatic floodgates on the Ramapo River at Pompton Lakes Dam (see 01388000).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 28,300 ft³/s, Oct 10, 1903, affected by dam failures at Pompton Lake dam and other dams upstream, from computation of peak flow over dam, gage height 14.30 ft, site and datum then in use, maximum gage height 25.24 ft, Aug 29, 2011, current site and datum; minimum discharge 0.00 ft³/s, Aug 14 1904.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1962-69, 1971-75, 1979-80, 1992, 1994, 1998 to current year.
REMARKS - Discrete water-quality data were collected as part of the New Jersey Ambient Surface-Water-Quality Monitoring Network.