Passaic River near Chatham, Morris County NJ (CAMN4)
Gage Location: Morris County, New JerseySite Location: Morris County, New Jersey
Latitude: 40.726Longitude: -74.39Elevation: 193.51 ft. MSLDrainage Area: 100 Sq. Mi.
Minor Stage: 6 ft. Moderate Stage: 8 ft.Major Stage: 10 ft.
First Flood: 1903-10-11Last Flood: 2014-04-30 Crest: 6.46 ft.Datum change: 1937-10-01Number of Floods: 82

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1903-10-117.232310ModerateC1 F1 G1
1905-01-098.333000MajorC1 F1 G1
1907-03-188.032860ModerateC1 F1 G1
1910-03-047.032260MinorC1 F1 G1
1938-07-236.511840Minornone
1938-09-216.861910Minornone
1942-08-096.311470Minornone
1942-08-167.322020Moderatenone
1942-12-316.211420Minornone
1945-02-276.67-9999Minornone
1947-02-246.65-9999Minornone
1947-11-086.051220Minornone
1947-11-126.351410Minornone
1948-02-206.31100Minornone
1949-01-016.781710Minornone
1952-06-016.171290Minornone
1955-08-146.31380Minornone
1955-08-196.311390Minornone
1961-02-226.59-9999Minornone
1961-02-276.171290Minornone
1962-03-126.411450Minornone
1967-03-076.221320Minornone
1968-05-297.92560Moderatenone
1969-07-286.681640Minornone
1970-04-026.371470Minornone
1971-08-288.162540Moderatenone
1971-09-146.721610Minornone
1971-09-186.791650Minornone
1972-06-226.571520Minornone
1972-11-087.221910Moderatenone
1973-02-026.821670Minornone
1973-08-029.363380Majornone
1973-10-296.251330Minornone
1973-12-216.361400Minornone
1975-07-147.42020Moderatenone
1975-09-278.142520Moderatenone
1975-10-196.11240Minornone
1977-03-226.351390Minornone
1977-11-086.581520Minornone
1978-01-106.571520Minornone
1978-08-126.611540Minornone
1979-01-276.41420Minornone
1979-02-266.881710Minornone
1979-05-256.21300Minornone
1979-09-066.131260Minornone
1980-03-256.321370Minornone
1982-01-046.11240Minornone
1982-02-036.011190Minornone
1983-03-216.341380Minornone
1983-04-106.241320Minornone
1983-04-176.141260Minornone
1983-12-146.671580Minornone
1984-04-067.261930Moderatenone
1984-05-316.671580Minornone
1984-07-076.041210Minornone
1986-04-186.631550Minornone
1987-04-046.041210Minornone
1988-07-266.071220Minornone
1989-09-206.261330Minornone
1989-10-226.011190Minornone
1990-10-136.121250Minornone
1992-06-056.871700Minornone
1993-03-266.081230Minornone
1993-04-016.131260Minornone
1994-01-307.021970Minornone
1996-01-196.381400Minornone
1996-01-2761180Minornone
1996-10-217.492080Moderatenone
1996-12-076.081230Minornone
1998-05-116.191290Minornone
1999-09-177.62210Moderatenone
2003-02-246.361408Minornone
2005-04-026.071240Minornone
2005-10-106.111260Minornone
2005-10-126.661590Minornone
2007-04-177.452110Moderatenone
2010-03-157.912730Moderatenone
2010-03-306.341400Minornone
2011-03-116.411620Minornone
2011-08-297.762620Moderatenone
2011-09-096.251510Minornone
2014-04-306.461660Minornone



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