Pompton River at Pompton Plains, Morris County NJ (PPPN4)
Gage Location: Passaic County, New JerseySite Location: Morris County, New Jersey
Latitude: 40.969Longitude: -74.282Elevation: 160 ft. MSLDrainage Area: 355 Sq. Mi.
Minor Stage: 16 ft. Moderate Stage: 18 ft.Major Stage: 19 ft.
First Flood: 1903-10-10Last Flood: 2011-09-08 Crest: 20.33 ft.Datum change: 1964-09-01Number of Floods: 46

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1903-10-10-999928340MissingC1 F1 F2 F3 F4
1945-07-2316.299690MinorC1 F2 G1
1951-03-3118.7513100ModerateC1 F2 G1
1952-06-0216.379790MinorC1 F2 G1
1955-10-1617.0615800MinorC1 F2 G1
1968-05-3022.1812300MajorF2
1970-02-1116.575770MinorF2
1970-04-0319.288520MajorF2
1971-08-2819.268610MajorF2
1971-09-1216.785980MinorF2
1972-06-2318.047240ModerateF2
1973-02-0320.3711500MajorF2
1973-06-3016.386020MinorF2
1973-12-2219.279730MajorF2
1975-03-2116.486150MinorF2
1976-01-2816.946670MinorF2
1977-03-2317.759000MinorC7 F1 F2
1977-11-0919.7111600MajorF2
1978-03-2717.488580MinorF2
1979-01-2518.179520ModerateF2
1979-05-2516.957890MinorF2
1980-03-2217.749300MinorF2
1980-04-1019.5612000MajorF2
1983-03-1918.2710100ModerateF2
1983-03-2216.287220MinorF2
1983-04-1717.348710MinorF2
1983-12-1417.247740MinorF2
1984-04-0624.4725400MajorF2
1984-05-3020.0111200MajorF2
1987-04-0518.9112600ModerateF2
1989-05-1718.8912500ModerateF2
1996-01-2816.969490MinorF2
1998-05-1216.328620MinorF2
1999-09-1721.0116400MajorC5 F2
2003-12-1216.779290MinorF2
2005-04-0320.4215300MajorF2
2005-10-0917.8610600MinorF2
2005-10-1317.5610500MinorF2
2007-04-1621.7218000MajorF2
2010-03-1422.7718900MajorF2
2010-03-3116.99030Minornone
2011-03-0720.3214400Majornone
2011-03-1122.1117700Majornone
2011-04-1719.8413600Majornone
2011-08-2925.2425000Majornone
2011-09-0820.3314300Majornone



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