Rockaway River at Main Street at Boonton, Morris County NJ (Old Site - BOTN4)
Gage Location: Morris County, New JerseySite Location: Morris County, New Jersey
Latitude: 40.908Longitude: -74.419 Elevation: 364 ft. MSLDrainage Area: 116 Sq. Mi.
Minor Stage: 5 ft. Moderate Stage: 6 ft.Major Stage: 7 ft.
First Flood: 1937-11-14Last Flood: 2011-11-24 Crest: 5.09 ft.Datum change: 2012-12-19Number of Floods: 87

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Year
Before Datum Change
Number of Floods
19371
19383
19390
19401
19410
19420
19430
19440
19450
19460
19471
19481
19490
19502
19512
19523
19531
19540
19552
19560
19571
19580
19590
19600
19610
19621
19630
19640
19650
19660
19670
19681
19690
19701
19711
19723
19732
19740
19751
19762
19772
19781
19794
19803
19811
19821
19834
19843
19850
19861
19871
19880
19893
19901
19910
19921
19930
19940
19950
19964
19970
19981
19992
20001
20010
20020
20032
20040
20053
20060
20071
20083
20091
20105
20118
Year
After Datum Change
Number of Floods
20120
20130




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: 01:27 PM Feb 21, 2013