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: 2013-06-08 Crest: 5.44 ft.Datum change: 1936-11-05Number of Floods: 82

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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



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: 07:20 AM Nov 12, 2013