Rivers in New Jersey

Pequannock River at Riverdale

Morris County, New JerseyNWS RDLN4USGS 01382800Mount Holly office

Below flood stage
2.16ftStage

Observed Sun, Oct 4, 12:30 PM UTC

Flood stage
8.00 ft
Record crest
13.60 ft1984

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood11.00 ft
Moderate flood10.00 ft
Minor flood8.00 ft
Action7.00 ft
  1. 12.00 ftRiverview Terrace in Riverdale floods. Houses take on water.
  2. 11.00 ftMain Street, Van Dam Avenue, and Hamilton Street in Bloomingdale flood. Houses on Garden Avenue in Riverdale begin to flood.
  3. 10.00 ftBrandt Lane in Bloomingdale floods in several spots and becomes impassable.
  4. 9.00 ftAdditional businesses along Main Street in Bloomingdale take on water.
  5. 8.00 ftBusiness along Main Street in Bloomingdale, closest to the river, begin to flood. Brandt Lane in Bloomingdale begins to flood.

Crest history

11 crests on NOAA’s list since 1981.

#DateStage
1April 5, 198413.60 ft
2August 28, 201112.57 ft
3December 18, 20239.74 ft
4January 27, 19969.36 ft
5September 2, 20218.99 ft
6January 10, 20248.55 ft
7October 20, 19968.43 ft
8July 31, 20167.44 ft
9May 12, 19816.49 ft
10March 29, 19946.08 ft
11March 9, 19955.93 ft

Most recent crests

  • January 10, 2024: 8.55 ft
  • December 18, 2023: 9.74 ft
  • September 2, 2021: 8.99 ft
  • July 31, 2016: 7.44 ft
  • August 28, 2011: 12.57 ft
  • October 20, 1996: 8.43 ft
  • January 27, 1996: 9.36 ft
  • March 9, 1995: 5.93 ft
  • March 29, 1994: 6.08 ft
  • April 5, 1984: 13.60 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Middle Atlantic River Forecast Center. Forecasts are not available. Only observed stages are available for this point. <span style="background-color: #ffff00;"><a style="background-color: #ffff00;" href="https://water.weather.gov/ahps2/hydrograph.php?wfo=phi&amp;gage=mcpn4"><span style="font-weight: 400;">Forecast </span></a></span><span style="font-weight: 400;">and </span><span style="background-color: #ffff00;"><a style="background-color: #ffff00;" href="https://water.weather.gov/ahps2/inundation/index.php?gage=mcpn4"><span style="font-weight: 400;">inundation mapping</span></a></span><span style="font-weight: 400;"> services for the Riverdale gage area are provided by the Macopin gage information.</span>

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.