Passaic River near Millington, Morris County NJ (MILN4)
Gage Location: Somerset County, New JerseySite Location: Morris County, New Jersey
Latitude: 40.68Longitude: -74.529Elevation: 215.6 ft. MSLDrainage Area: 55 Sq. Mi.
Minor Stage: 8 ft. Moderate Stage: 9 ft.Major Stage: 9.8 ft.
First Flood: 1924-04-07Last Flood: 2014-05-01 Crest: 8.24 ft.Datum change: 1925-07-04Number of Floods: 23

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1924-04-0781100MinorC1 G1
1936-03-129.181800Moderatenone
1938-09-228.111040Minornone
1942-08-148.571360Minornone
1948-12-318.711520Minornone
1968-05-298.041070Minornone
1971-08-299.732170Moderatenone
1971-09-148.391200Minornone
1972-06-238.021070Minornone
1972-11-098.141090Minornone
1975-09-278.811580Minornone
1979-01-258.731530Minornone
1979-02-268.191080Minornone
1983-12-148.231140Minornone
1984-04-058.871620Minornone
1986-04-188.041080Minornone
1996-10-209.892290Majornone
1999-09-178.911590Minornone
2007-04-179.351870Moderatenone
2010-03-159.381900Moderatenone
2011-08-2910.262610Majornone
2011-09-088.041040Minornone
2014-05-018.241050Minornone



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