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: 5 ft. Moderate Stage: 6 ft.Major Stage: 8 ft.
First Flood: 1920-10-01Last Flood: 2014-05-02 Crest: 5.21 ft.Datum change: 1931-03-15Number 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
2014-05-025.211250Minornone



Codes and description

C1|Crest information looks unreliable and incomplete and not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information 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: 08:00 PM May 28, 2014