Wanaque River at Wanaque, Passaic County NJ (WNQN4)
Gage Location: Passaic County, New JerseySite Location: Passaic County, New Jersey
Latitude: 41.044Longitude: -74.293Elevation: 210 ft. MSLDrainage Area: 90 Sq. Mi.
Minor Stage: 6 ft. Moderate Stage: 8 ft.Major Stage: 9 ft.
First Flood: 1920-10-01Last Flood: 2014-05-02 Crest: 5.21 ft.Datum change: 2014-12-12Number of Floods: 51

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1920-10-017.51650ModerateC1 G1
1922-03-087.651690ModerateC1 G1
1924-04-078.015050MajorC1 G1
1925-02-125.572040MinorC1 G1
1927-09-026.93390ModerateC1 F2 G1
1933-04-185.851830MinorF2
1936-03-196.071940ModerateF2
1938-01-256.172020ModerateF2
1945-07-236.371690ModerateF2
1951-03-319.128470MajorF2
1952-06-017.623940ModerateF2
1953-01-2561770ModerateF2
1955-10-175.961740MinorF2
1958-04-075.621480MinorF2
1960-04-055.671520MinorF2
1968-05-298.425920MajorF2
1970-04-036.962830ModerateF2
1972-06-236.322070ModerateF2
1973-02-037.333410ModerateF2
1975-03-215.231270MinorF2
1976-01-285.61520MinorF2
1977-03-236.32090ModerateF2
1978-03-276.982800ModerateF2
1979-05-256.071870ModerateF2
1980-04-107.333450ModerateF2
1983-03-196.852580ModerateF2
1984-04-0510.8210500MajorF2
1987-04-047.493040ModerateF2
1989-05-176.692160ModerateF2
1992-06-066.341840ModerateF2
1993-03-295.71380MinorF2
1998-05-116.021590ModerateF2
2003-03-225.71380MinorF2
2003-12-125.971550MinorF2
2003-12-255.471238MinorF2
2005-01-155.261120MinorF2
2005-03-295.551290MinorF2
2005-04-037.593180ModerateF2
2006-01-145.041000MinorF2
2006-01-195.821450MinorF2
2007-04-176.82270ModerateF2
2008-03-105.091030MinorF2
2010-03-147.533100ModerateF2
2010-03-235.391190MinorF2
2010-03-316.131670ModerateF2
2011-03-118.043740MajorF2
2011-04-186.251770ModerateF2
2011-08-297.883520ModerateF2
2011-09-087.513080ModerateF2
2011-12-085.581380MinorF2
2014-05-025.211250MinorF2



Codes and description

C1|Crest information during this period may be incomplete and therefore was not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information during this period looks reliable despite potential problems. This data was used in frequency calculations.
C3|Crest height estimated by the USGS.
C4|Crest height is from the National Weather Service.
C5|Crest height affected by backwater.
C6|Crest occurred at a previous flood stage that is lower than the current flood stage. The crests below the new flood stage are not used in flood frequency calculations.
C7|Crest from USGS yearly peak and/or date is different than the crest we provide. In many cases MARFC uses crest based on backwater or ice effects.
C8|Crest month or day of occurrence has been estimated by The Middle Atlantic River Forecast Center usually based on nearby gage information.
C9|Crest date (day) in the month is unknown.
F1|Flow is an estimate.
F2|Flow affected by regulation or diversion and in some cases to an unknown degree.
F3|Flow effected by snow-melt, ice jam or debris jam break up.
F4|Flow affected by dam failure.
F5|Flow - All or part of the record affected by urbanization, mining, agricultural changes, channelization or other factors.
G1|Gage height at a different site and/or datum.
G2|Gage is not an official USGS gage with crests provided by the NWS. Crest information looks unreliable and incomplete and not used in flood frequency calculations.
G3|Gage datum changed during this year.
none,No code; Good Data

Updated: 07:31 AM Dec 19, 2014