Rockaway River at Boonton above reservoir

Highest listed crest 4.71 ftFlood stage 4.5 ft3 crests since 2014

The Rockaway River at Boonton above reservoir crested above flood stage 2 times among the 3 crests the National Weather Service lists from 2014 to 2024. The highest, 4.71 ft on December 18, 2023, was minor flooding, 0.21 feet above flood stage. 1 other gauge on the Rockaway River crested above flood stage within a week of it.

The gauge

Highest listed crest: 4.71 ft; December 18, 2023; 4,424 cubic feet per second
Flood stage: 4.5 ft; Major flooding from 7.0 ft
Crests at major: 0; 2 above flood stage
Most recent flood crest: January 10, 2024; 4.67 ft, minor flooding
Location: Morris County; Near Kinnelon (5.4 mi), Lincoln Park (6.1 mi), Dover (7.5 mi)
Identifiers: NWS BOTN4; USGS 01380450

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Rockaway River at Boonton above reservoir

Action stage	3.5	1	May 1, 2014	The level at which the NWS or its partners begin to take action
Flood stage (minor)	4.5	2	Jan 10, 2024	Minimal or no property damage, but possibly some public threat
Moderate flood stage	6.0	0	—	Some inundation of structures and roads near the stream
Major flood stage	7.0	0	—	Extensive inundation of structures and roads

Every listed crest

3 crests from 2014 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.

Crests at or above flood stage, by decade

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Rockaway River at Boonton above reservoir

1	Dec 18, 2023	4.71	+0.21	Minor	4,424
2	Jan 10, 2024	4.67	+0.17	Minor	4,362
3	May 1, 2014	3.70	−0.80	Action	2,960

The worst floods along the Rockaway River

For this gauge's highest crests, the other gauges on the Rockaway River that crested above flood stage within a week.

December 18, 2023: 4.71 ft here, minor flooding

Boonton below reservoirNJ · Dec 19, 2023 · 7.84 ft · Moderate

January 10, 2024: 4.67 ft here, minor flooding

Boonton below reservoirNJ · Jan 10, 2024 · 7.82 ft · Moderate

Gauges on the Rockaway River

In USGS station-number order, which runs downstream within a river basin.

Flood gauges on the Rockaway River

Boonton above reservoir this gauge	NJ	4.5	4.71 ft, Dec 18, 2023	0
Boonton below reservoir	NJ	5.0	9.73 ft, Aug 29, 2011	7

Other gauges in Morris County

Flood gauges in Morris County

Picatinny	3.0	3.84 ft, Aug 28, 2011	0
Pottersville	4.5	5.94 ft, Jul 7, 1984	0
Chatham	6.0	9.36 ft, Aug 2, 1973	0
Pine Brook	19.0	24.12 ft, Aug 30, 2011	13
Boonton below reservoir	5.0	9.73 ft, Aug 29, 2011	7
Morristown	6.0	9.60 ft, Aug 28, 2011	4
Pine Brook	9.0	12.54 ft, Aug 30, 2011	0
at Midwood	7.5	15.20 ft, Apr 16, 2007	1
at Ryerson	12.0	17.00 ft, Apr 16, 2007	1

Morris County: every hazard · River floods across the country · New Jersey

NOAA National Water Prediction Service, gauge BOTN4, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.