Rockaway River at Main Street at Boonton, Morris County NJ (Old Site - BNTN4)
Gage Location: Morris County, New Jersey	Site Location: Morris County, New Jersey
Latitude: 40.908	Longitude: -74.419	Elevation: 364 ft. MSL	Drainage Area: 116 Sq. Mi.
Minor Stage: 5 ft.	Moderate Stage: 6 ft.	Major Stage: 7 ft.
First Flood: 1937-11-14	Last Flood: 2011-11-24 Crest: 5.09 ft.	Datum change: 2012-12-19	Number of Floods: 87

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Height Above Flood Stage for Entire Period of Record

Height Above FS	Total Occurence	Percent of Crest Occurrence	Cumulative Total Flood Occurrence	Percent of Floods above Listed Value
5 ft to 6 ft	63	72.4	5 ft or above 87	100.0
6 ft to 7 ft	20	23.0	6 ft or above 24	27.6
7 ft to 8 ft	3	3.4	7 ft or above 4	4.6
8 ft to 9 ft	0	0.0	8 ft or above 1	1.1
9 ft to 10 ft	1	1.1	9 ft or above 1	1.1

Height Above Flood Stage After Datum Change

Height Above FS	Total Occurence	Percent of Crest Occurrence	Cumulative Total Flood Occurrence	Percent of Floods above Listed Value
4 ft to 5 ft	0	0.0	4 ft or above 0	0.0
5 ft to 6 ft	0	0.0	5 ft or above 0	0.0
6 ft to 7 ft	0	0.0	6 ft or above 0	0.0
7 ft to 8 ft	0	0.0	7 ft or above 0	0.0
8 ft to 9 ft	0	0.0	8 ft or above 0	0.0
9 ft to 10 ft	0	0.0	9 ft or above 0	0.0

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