Rockaway River below reservoir at Boonton, Morris County NJ (BONN4)
Gage Location: Morris County, New JerseySite Location: Morris County, New Jersey
Latitude: 40.8969Longitude: -74.3947Elevation: 195.68 ft. MSLDrainage Area: 119 Sq. Mi.
Minor Stage: 5 ft. Moderate Stage: 7 ft.Major Stage: 8 ft.
First Flood: 1903-10-10Last Flood: 2014-05-01 Crest: 6.62 ft.Datum change: 1936-11-05Number of Floods: 83

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1903-10-107.87560ModerateC1 C5 F1 F2 G1
1932-11-205.462150MinorC1 F2
1936-03-128.033750MajorC1 F2
1938-09-226.061860MinorF2
1942-12-315.111270MinorF2
1945-07-235.061270MinorF2
1948-12-316.762680MinorF2
1951-03-316.071910MinorF2
1952-06-027.183100ModerateF2
1953-01-255.561590MinorF2
1955-08-216.031870MinorF2
1955-10-165.941810MinorF2
1960-09-135.821730MinorF2
1961-02-265.441500MinorF2
1962-03-135.491530MinorF2
1968-05-298.24260MajorF2
1969-03-255.371450MinorF2
1970-04-037.163080ModerateF2
1971-08-296.782700MinorF2
1972-06-017.363290ModerateF2
1973-02-037.223150ModerateF2
1973-12-227.263190ModerateF2
1975-09-255.631620MinorF2
1976-07-016.21990MinorF2
1977-03-237.133050ModerateF2
1978-03-276.252020MinorF2
1979-01-258.34380MajorF2
1980-03-226.42350MinorF2
1981-05-125.792090MinorF2
1983-04-176.772940MinorF2
1984-04-068.174260MajorF2
1986-04-175.661980MinorF2
1987-04-056.762930MinorF2
1987-10-155.491840MinorF2
1989-05-176.612790MinorF2
1990-05-177.43520ModerateF2
1990-12-055.621950MinorF2
1992-06-066.22440MinorF2
1993-04-026.172410MinorF2
1994-03-305.511860MinorF2
1996-01-287.273400ModerateF2
1996-10-207.964070ModerateF2
1998-06-156.372420MinorF2
1999-03-226.242310MinorF2
2000-08-146.582610MinorF2
2003-03-225.241482MinorF2
2003-06-025.291522MinorF2
2003-06-135.031321MinorF2
2003-06-225.972080MinorF2
2003-10-305.31530MinorF2
2003-11-205.111381MinorF2
2003-12-126.262330MinorF2
2003-12-255.671838MinorF2
2004-09-295.872000MinorF2
2005-03-296.292350MinorF2
2005-04-037.193210ModerateF2
2005-12-175.181480MinorF2
2006-01-195.161420MinorF2
2006-10-295.21490MinorF2
2006-11-095.171470MinorF2
2007-03-035.241520MinorF2
2007-04-168.094200MajorF2
2007-12-245.231510MinorF2
2008-02-146.312370MinorF2
2008-02-195.371610MinorF2
2008-03-065.231510MinorF2
2008-03-096.332390MinorF2
2008-12-126.112200MinorF2
2009-12-276.122210MinorF2
2010-01-2662100MinorF2
2010-03-148.124230MajorF2
2010-03-235.992100MinorF2
2010-03-316.352410MinorF2
2011-03-076.922940MinorF2
2011-03-117.954030ModerateF2
2011-04-176.752770MinorF2
2011-05-196.22270MinorF2
2011-08-289.737390MajorF2
2011-09-097.233250ModerateF2
2011-12-085.281550MinorF2
2012-12-225.561750MinorF2
2013-06-085.441660MinorF2
2014-05-016.622710MinorF2



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