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Hydrograph River at a Glance Download Inundation
Mapping
Raritan River at Bound Brook Stage (ft)Flow (kcfs)Highest Observation: 17.9 ft at 4:30AM Jan 20, 2021Highest Observation: 17.9 ft at 4:45AM Jan 20, 2021Observed: 17.89 ft at 5:00AM Jan 20, 2021Observed: 17.89 ft at 5:15AM Jan 20, 2021Observed: 17.89 ft at 5:30AM Jan 20, 2021Observed: 17.88 ft at 5:45AM Jan 20, 2021Observed: 17.88 ft at 6:00AM Jan 20, 2021Observed: 17.88 ft at 6:15AM Jan 20, 2021Observed: 17.88 ft at 6:30AM Jan 20, 2021Observed: 17.89 ft at 6:45AM Jan 20, 2021Observed: 17.89 ft at 7:00AM Jan 20, 2021Observed: 17.89 ft at 7:15AM Jan 20, 2021Observed: 17.89 ft at 7:30AM Jan 20, 2021Observed: 17.89 ft at 7:45AM Jan 20, 2021Observed: 17.89 ft at 8:00AM Jan 20, 2021Observed: 17.89 ft at 8:15AM Jan 20, 2021Observed: 17.89 ft at 8:30AM Jan 20, 2021Observed: 17.88 ft at 8:45AM Jan 20, 2021Observed: 17.88 ft at 9:00AM Jan 20, 2021Observed: 17.88 ft at 9:15AM Jan 20, 2021Observed: 17.88 ft at 9:30AM Jan 20, 2021Observed: 17.88 ft at 9:45AM Jan 20, 2021Observed: 17.87 ft at 10:00AM Jan 20, 2021Observed: 17.87 ft at 10:15AM Jan 20, 2021Observed: 17.87 ft at 10:30AM Jan 20, 2021Observed: 17.87 ft at 10:45AM Jan 20, 2021Observed: 17.86 ft at 11:00AM Jan 20, 2021Observed: 17.86 ft at 11:15AM Jan 20, 2021Observed: 17.86 ft at 11:30AM Jan 20, 2021Observed: 17.86 ft at 11:45AM Jan 20, 2021Observed: 17.87 ft at 12:00PM Jan 20, 2021Observed: 17.87 ft at 12:15PM Jan 20, 2021Observed: 17.87 ft at 12:30PM Jan 20, 2021Observed: 17.87 ft at 12:45PM Jan 20, 2021Observed: 17.86 ft at 1:00PM Jan 20, 2021Observed: 17.85 ft at 1:15PM Jan 20, 2021Observed: 17.85 ft at 1:30PM Jan 20, 2021Observed: 17.86 ft at 1:45PM Jan 20, 2021Observed: 17.86 ft at 2:00PM Jan 20, 2021Observed: 17.85 ft at 2:15PM Jan 20, 2021Observed: 17.84 ft at 2:30PM Jan 20, 2021Observed: 17.84 ft at 2:45PM Jan 20, 2021Observed: 17.84 ft at 3:00PM Jan 20, 2021Observed: 17.84 ft at 3:15PM Jan 20, 2021Observed: 17.84 ft at 3:30PM Jan 20, 2021Observed: 17.84 ft at 3:45PM Jan 20, 2021Observed: 17.84 ft at 4:00PM Jan 20, 2021Observed: 17.85 ft at 4:15PM Jan 20, 2021Observed: 17.85 ft at 4:30PM Jan 20, 2021Observed: 17.86 ft at 4:45PM Jan 20, 2021Observed: 17.86 ft at 5:00PM Jan 20, 2021Observed: 17.87 ft at 5:15PM Jan 20, 2021Observed: 17.88 ft at 5:30PM Jan 20, 2021Observed: 17.88 ft at 5:45PM Jan 20, 2021Observed: 17.88 ft at 6:00PM Jan 20, 2021Observed: 17.88 ft at 6:15PM Jan 20, 2021Observed: 17.88 ft at 6:30PM Jan 20, 2021Observed: 17.88 ft at 6:45PM Jan 20, 2021Observed: 17.88 ft at 7:00PM Jan 20, 2021Observed: 17.88 ft at 7:15PM Jan 20, 2021Observed: 17.87 ft at 7:30PM Jan 20, 2021Observed: 17.87 ft at 7:45PM Jan 20, 2021Observed: 17.87 ft at 8:00PM Jan 20, 2021Observed: 17.87 ft at 8:15PM Jan 20, 2021Observed: 17.87 ft at 8:30PM Jan 20, 2021Observed: 17.87 ft at 8:45PM Jan 20, 2021Observed: 17.86 ft at 9:00PM Jan 20, 2021Observed: 17.86 ft at 9:15PM Jan 20, 2021Observed: 17.86 ft at 9:30PM Jan 20, 2021Observed: 17.86 ft at 9:45PM Jan 20, 2021Observed: 17.86 ft at 10:00PM Jan 20, 2021Observed: 17.86 ft at 10:15PM Jan 20, 2021Observed: 17.86 ft at 10:30PM Jan 20, 2021Observed: 17.86 ft at 10:45PM Jan 20, 2021Observed: 17.86 ft at 11:00PM Jan 20, 2021Observed: 17.87 ft at 11:15PM Jan 20, 2021Observed: 17.87 ft at 11:30PM Jan 20, 2021Observed: 17.87 ft at 11:45PM Jan 20, 2021Observed: 17.87 ft at 12:00AM Jan 21, 2021Observed: 17.88 ft at 12:15AM Jan 21, 2021Observed: 17.87 ft at 12:30AM Jan 21, 2021Observed: 17.87 ft at 12:45AM Jan 21, 2021Observed: 17.87 ft at 1:00AM Jan 21, 2021Observed: 17.86 ft at 1:15AM Jan 21, 2021Observed: 17.86 ft at 1:30AM Jan 21, 2021Observed: 17.85 ft at 1:45AM Jan 21, 2021Observed: 17.85 ft at 2:00AM Jan 21, 2021Observed: 17.85 ft at 2:15AM Jan 21, 2021Observed: 17.85 ft at 2:30AM Jan 21, 2021Observed: 17.86 ft at 2:45AM Jan 21, 2021Observed: 17.86 ft at 3:00AM Jan 21, 2021Observed: 17.86 ft at 3:15AM Jan 21, 2021Observed: 17.86 ft at 3:30AM Jan 21, 2021Observed: 17.86 ft at 3:45AM Jan 21, 2021Observed: 17.87 ft at 4:00AM Jan 21, 2021Observed: 17.87 ft at 4:15AM Jan 21, 2021Observed: 17.87 ft at 4:30AM Jan 21, 2021Observed: 17.87 ft at 4:45AM Jan 21, 2021Observed: 17.87 ft at 5:00AM Jan 21, 2021Observed: 17.87 ft at 5:15AM Jan 21, 2021Observed: 17.87 ft at 5:30AM Jan 21, 2021Observed: 17.87 ft at 5:45AM Jan 21, 2021Observed: 17.87 ft at 6:00AM Jan 21, 2021Observed: 17.87 ft at 6:15AM Jan 21, 2021Observed: 17.87 ft at 6:30AM Jan 21, 2021Observed: 17.87 ft at 6:45AM Jan 21, 2021Observed: 17.87 ft at 7:00AM Jan 21, 2021Observed: 17.87 ft at 7:15AM Jan 21, 2021Observed: 17.86 ft at 7:30AM Jan 21, 2021Observed: 17.87 ft at 7:45AM Jan 21, 2021Observed: 17.86 ft at 8:00AM Jan 21, 2021Observed: 17.86 ft at 8:15AM Jan 21, 2021Observed: 17.86 ft at 8:30AM Jan 21, 2021Observed: 17.85 ft at 8:45AM Jan 21, 2021Observed: 17.84 ft at 9:00AM Jan 21, 2021Observed: 17.84 ft at 9:15AM Jan 21, 2021Observed: 17.84 ft at 9:30AM Jan 21, 2021Observed: 17.84 ft at 9:45AM Jan 21, 2021Observed: 17.84 ft at 10:00AM Jan 21, 2021Observed: 17.84 ft at 10:15AM Jan 21, 2021Observed: 17.84 ft at 10:30AM Jan 21, 2021Observed: 17.83 ft at 10:45AM Jan 21, 2021Observed: 17.82 ft at 11:00AM Jan 21, 2021Observed: 17.82 ft at 11:15AM Jan 21, 2021Observed: 17.82 ft at 11:30AM Jan 21, 2021Observed: 17.82 ft at 11:45AM Jan 21, 2021Observed: 17.81 ft at 12:00PM Jan 21, 2021Observed: 17.81 ft at 12:15PM Jan 21, 2021Observed: 17.8 ft at 12:30PM Jan 21, 2021Observed: 17.79 ft at 12:45PM Jan 21, 2021Observed: 17.79 ft at 1:00PM Jan 21, 2021Observed: 17.79 ft at 1:15PM Jan 21, 2021Observed: 17.79 ft at 1:30PM Jan 21, 2021Observed: 17.78 ft at 1:45PM Jan 21, 2021Observed: 17.78 ft at 2:00PM Jan 21, 2021Observed: 17.77 ft at 2:15PM Jan 21, 2021Observed: 17.77 ft at 2:30PM Jan 21, 2021Observed: 17.76 ft at 2:45PM Jan 21, 2021Observed: 17.76 ft at 3:00PM Jan 21, 2021Observed: 17.76 ft at 3:15PM Jan 21, 2021Observed: 17.75 ft at 3:30PM Jan 21, 2021Observed: 17.75 ft at 3:45PM Jan 21, 2021Observed: 17.75 ft at 4:00PM Jan 21, 2021Observed: 17.74 ft at 4:15PM Jan 21, 2021Observed: 17.74 ft at 4:30PM Jan 21, 2021Observed: 17.73 ft at 4:45PM Jan 21, 2021Observed: 17.73 ft at 5:00PM Jan 21, 2021Observed: 17.74 ft at 5:15PM Jan 21, 2021Observed: 17.74 ft at 5:30PM Jan 21, 2021Observed: 17.74 ft at 5:45PM Jan 21, 2021Observed: 17.73 ft at 6:00PM Jan 21, 2021Observed: 17.73 ft at 6:15PM Jan 21, 2021Observed: 17.72 ft at 6:30PM Jan 21, 2021Observed: 17.72 ft at 6:45PM Jan 21, 2021Observed: 17.72 ft at 7:00PM Jan 21, 2021Observed: 17.72 ft at 7:15PM Jan 21, 2021Observed: 17.73 ft at 7:30PM Jan 21, 2021Observed: 17.72 ft at 7:45PM Jan 21, 2021Observed: 17.72 ft at 8:00PM Jan 21, 2021Observed: 17.72 ft at 8:15PM Jan 21, 2021Observed: 17.72 ft at 8:30PM Jan 21, 2021Observed: 17.72 ft at 8:45PM Jan 21, 2021Observed: 17.72 ft at 9:00PM Jan 21, 2021Observed: 17.72 ft at 9:15PM Jan 21, 2021Observed: 17.72 ft at 9:30PM Jan 21, 2021Observed: 17.72 ft at 9:45PM Jan 21, 2021Observed: 17.72 ft at 10:00PM Jan 21, 2021Observed: 17.72 ft at 10:15PM Jan 21, 2021Observed: 17.72 ft at 10:30PM Jan 21, 2021Observed: 17.72 ft at 10:45PM Jan 21, 2021Observed: 17.73 ft at 11:00PM Jan 21, 2021Observed: 17.73 ft at 11:15PM Jan 21, 2021Observed: 17.74 ft at 11:30PM Jan 21, 2021Observed: 17.74 ft at 11:45PM Jan 21, 2021Observed: 17.74 ft at 12:00AM Jan 22, 2021Observed: 17.74 ft at 12:15AM Jan 22, 2021Observed: 17.74 ft at 12:30AM Jan 22, 2021Observed: 17.74 ft at 12:45AM Jan 22, 2021Observed: 17.74 ft at 1:00AM Jan 22, 2021Observed: 17.74 ft at 1:15AM Jan 22, 2021Observed: 17.74 ft at 1:30AM Jan 22, 2021Observed: 17.74 ft at 1:45AM Jan 22, 2021Observed: 17.74 ft at 2:00AM Jan 22, 2021Observed: 17.74 ft at 2:15AM Jan 22, 2021Observed: 17.74 ft at 2:30AM Jan 22, 2021Observed: 17.74 ft at 2:45AM Jan 22, 2021Observed: 17.74 ft at 3:00AM Jan 22, 2021Observed: 17.74 ft at 3:15AM Jan 22, 2021Observed: 17.74 ft at 3:30AM Jan 22, 2021Observed: 17.74 ft at 3:45AM Jan 22, 2021Observed: 17.73 ft at 4:00AM Jan 22, 2021Observed: 17.73 ft at 4:15AM Jan 22, 2021Observed: 17.72 ft at 4:30AM Jan 22, 2021Observed: 17.72 ft at 4:45AM Jan 22, 2021Observed: 17.72 ft at 5:00AM Jan 22, 2021Observed: 17.72 ft at 5:15AM Jan 22, 2021Observed: 17.72 ft at 5:30AM Jan 22, 2021Observed: 17.72 ft at 5:45AM Jan 22, 2021Observed: 17.72 ft at 6:00AM Jan 22, 2021Observed: 17.72 ft at 6:15AM Jan 22, 2021Observed: 17.72 ft at 6:30AM Jan 22, 2021Observed: 17.71 ft at 6:45AM Jan 22, 2021Observed: 17.71 ft at 7:00AM Jan 22, 2021Observed: 17.71 ft at 7:15AM Jan 22, 2021Observed: 17.7 ft at 7:30AM Jan 22, 2021Observed: 17.7 ft at 7:45AM Jan 22, 2021Observed: 17.7 ft at 8:00AM Jan 22, 2021Observed: 17.7 ft at 8:15AM Jan 22, 2021Observed: 17.69 ft at 8:30AM Jan 22, 2021Observed: 17.7 ft at 8:45AM Jan 22, 2021Observed: 17.7 ft at 9:00AM Jan 22, 2021Observed: 17.7 ft at 9:15AM Jan 22, 2021Observed: 17.71 ft at 9:30AM Jan 22, 2021Observed: 17.71 ft at 9:45AM Jan 22, 2021Observed: 17.71 ft at 10:00AM Jan 22, 2021Observed: 17.72 ft at 10:15AM Jan 22, 2021Observed: 17.72 ft at 10:30AM Jan 22, 2021Observed: 17.73 ft at 10:45AM Jan 22, 2021Observed: 17.73 ft at 11:00AM Jan 22, 2021Observed: 17.73 ft at 11:15AM Jan 22, 2021Observed: 17.74 ft at 11:30AM Jan 22, 2021Observed: 17.75 ft at 11:45AM Jan 22, 2021Observed: 17.74 ft at 12:00PM Jan 22, 2021Observed: 17.73 ft at 12:15PM Jan 22, 2021Observed: 17.74 ft at 12:30PM Jan 22, 2021Observed: 17.74 ft at 12:45PM Jan 22, 2021Observed: 17.73 ft at 1:00PM Jan 22, 2021Observed: 17.73 ft at 1:15PM Jan 22, 2021Observed: 17.74 ft at 1:30PM Jan 22, 2021Observed: 17.73 ft at 1:45PM Jan 22, 2021Observed: 17.72 ft at 2:00PM Jan 22, 2021Observed: 17.72 ft at 2:15PM Jan 22, 2021Observed: 17.72 ft at 2:30PM Jan 22, 2021Observed: 17.72 ft at 2:45PM Jan 22, 2021Observed: 17.71 ft at 3:00PM Jan 22, 2021Observed: 17.71 ft at 3:15PM Jan 22, 2021Observed: 17.71 ft at 3:30PM Jan 22, 2021Observed: 17.71 ft at 3:45PM Jan 22, 2021Observed: 17.71 ft at 4:00PM Jan 22, 2021Observed: 17.71 ft at 4:15PM Jan 22, 2021Observed: 17.71 ft at 4:30PM Jan 22, 2021Observed: 17.71 ft at 4:45PM Jan 22, 2021Observed: 17.71 ft at 5:00PM Jan 22, 2021Observed: 17.71 ft at 5:15PM Jan 22, 2021Observed: 17.71 ft at 5:30PM Jan 22, 2021Observed: 17.71 ft at 5:45PM Jan 22, 2021Observed: 17.71 ft at 6:00PM Jan 22, 2021Observed: 17.71 ft at 6:15PM Jan 22, 2021Observed: 17.71 ft at 6:30PM Jan 22, 2021Observed: 17.72 ft at 6:45PM Jan 22, 2021Observed: 17.71 ft at 7:00PM Jan 22, 2021Observed: 17.71 ft at 7:15PM Jan 22, 2021Observed: 17.72 ft at 7:30PM Jan 22, 2021Observed: 17.72 ft at 7:45PM Jan 22, 2021Observed: 17.72 ft at 8:00PM Jan 22, 2021Observed: 17.72 ft at 8:15PM Jan 22, 2021Observed: 17.72 ft at 8:30PM Jan 22, 2021Observed: 17.72 ft at 8:45PM Jan 22, 2021Observed: 17.72 ft at 9:00PM Jan 22, 2021Observed: 17.71 ft at 9:15PM Jan 22, 2021Observed: 17.71 ft at 9:30PM Jan 22, 2021Observed: 17.71 ft at 9:45PM Jan 22, 2021Observed: 17.71 ft at 10:00PM Jan 22, 2021Observed: 17.71 ft at 10:15PM Jan 22, 2021Observed: 17.71 ft at 10:30PM Jan 22, 2021Observed: 17.71 ft at 10:45PM Jan 22, 2021Observed: 17.71 ft at 11:00PM Jan 22, 2021Observed: 17.71 ft at 11:15PM Jan 22, 2021Observed: 17.71 ft at 11:30PM Jan 22, 2021Observed: 17.71 ft at 11:45PM Jan 22, 2021Observed: 17.71 ft at 12:00AM Jan 23, 2021Observed: 17.71 ft at 12:15AM Jan 23, 2021Observed: 17.71 ft at 12:30AM Jan 23, 2021Observed: 17.7 ft at 12:45AM Jan 23, 2021Observed: 17.71 ft at 1:00AM Jan 23, 2021Observed: 17.71 ft at 1:15AM Jan 23, 2021Observed: 17.7 ft at 1:30AM Jan 23, 2021Observed: 17.7 ft at 1:45AM Jan 23, 2021Observed: 17.7 ft at 2:00AM Jan 23, 2021Observed: 17.7 ft at 2:15AM Jan 23, 2021Observed: 17.71 ft at 2:30AM Jan 23, 2021Observed: 17.7 ft at 2:45AM Jan 23, 2021Observed: 17.7 ft at 3:00AM Jan 23, 2021Observed: 17.71 ft at 3:15AM Jan 23, 2021Highest Forecast: 17.7 ft 7:00AM Jan 23, 2021Forecast: 17.6 ft 1:00PM Jan 23, 2021Forecast: 17.6 ft 7:00PM Jan 23, 2021Forecast: 17.6 ft 1:00AM Jan 24, 2021Forecast: 17.6 ft 7:00AM Jan 24, 2021Forecast: 17.6 ft 1:00PM Jan 24, 2021Forecast: 17.6 ft 7:00PM Jan 24, 2021Forecast: 17.6 ft 1:00AM Jan 25, 2021Forecast: 17.6 ft 7:00AM Jan 25, 2021USGS--Water Resources of the United StatesBDKN4(plotting HGIRG) Graph Created (4:18AM Jan 23, 2021)ObservedForecast (issued 8:53AM Jan 22)Latest observed value: 17.71 ft at 3:15 AM EST 23-Jan-2021. Flood Stage is 28 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Raritan River at Bound Brook are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Manville Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 33
Moderate Flood Stage: 30
Flood Stage: 28
Action Stage: 26
Low Stage (in feet): 0

Historic Crests
(1) 42.13 ft on 09/17/1999
(2) 41.90 ft on 08/28/2011
(3) 38.38 ft on 04/16/2007
(4) 37.47 ft on 08/28/1971
(5) 36.04 ft on 03/14/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 28.01 ft on 12/25/2020
(2) 29.65 ft on 11/25/2018
(3) 34.65 ft on 05/01/2014
(4) 33.14 ft on 09/09/2011
(5) 41.90 ft on 08/28/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 16.10 ft on 07/09/1993

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
33 A large portion of Bouond Brook is protected by the flood reduction project. Pump station operations become critical, at this stage, for the continued protection of the borough.
30 Main Street is protected by flap valves/sluice gates. This level triggers the gate closures to protect Main Street.
28 Backyard and low areas are protected by levees and the flood wall. Without the levees or if there is a breach in the levees, minor flooding will occur.
About This Location Collapse

Latitude: 40.551111° N, Longitude: 74.548333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 28 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 0 ft 28 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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