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FloodSmart
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Hydrograph River at a Glance Download Inundation
Mapping
Delaware River at Riegelsville Stage (ft)Flow (kcfs)Observed: 9.04 ft at 9:45AM Jun 22, 2019Observed: 9.04 ft at 10:00AM Jun 22, 2019Observed: 9.06 ft at 10:15AM Jun 22, 2019Observed: 9.05 ft at 10:30AM Jun 22, 2019Observed: 9.06 ft at 10:45AM Jun 22, 2019Observed: 9.04 ft at 11:00AM Jun 22, 2019Observed: 9.05 ft at 11:15AM Jun 22, 2019Highest Observation: 9.12 ft at 11:30AM Jun 22, 2019Observed: 9.06 ft at 11:45AM Jun 22, 2019Observed: 9.09 ft at 12:00PM Jun 22, 2019Observed: 9.08 ft at 12:15PM Jun 22, 2019Observed: 9.09 ft at 12:30PM Jun 22, 2019Observed: 9.1 ft at 12:45PM Jun 22, 2019Observed: 9.09 ft at 1:00PM Jun 22, 2019Observed: 9.09 ft at 1:15PM Jun 22, 2019Observed: 9.11 ft at 1:30PM Jun 22, 2019Observed: 9.08 ft at 1:45PM Jun 22, 2019Observed: 9.08 ft at 2:00PM Jun 22, 2019Observed: 9.07 ft at 2:15PM Jun 22, 2019Observed: 9.08 ft at 2:30PM Jun 22, 2019Observed: 9.11 ft at 2:45PM Jun 22, 2019Observed: 9.09 ft at 3:00PM Jun 22, 2019Observed: 9.08 ft at 3:15PM Jun 22, 2019Observed: 9.05 ft at 3:30PM Jun 22, 2019Observed: 9.07 ft at 3:45PM Jun 22, 2019Observed: 9.07 ft at 4:00PM Jun 22, 2019Observed: 9.02 ft at 4:15PM Jun 22, 2019Observed: 9.04 ft at 4:30PM Jun 22, 2019Observed: 8.98 ft at 4:45PM Jun 22, 2019Observed: 8.97 ft at 5:00PM Jun 22, 2019Observed: 8.96 ft at 5:15PM Jun 22, 2019Observed: 8.95 ft at 5:30PM Jun 22, 2019Observed: 8.89 ft at 5:45PM Jun 22, 2019Observed: 8.87 ft at 6:00PM Jun 22, 2019Observed: 8.87 ft at 6:15PM Jun 22, 2019Observed: 8.83 ft at 6:30PM Jun 22, 2019Observed: 8.83 ft at 6:45PM Jun 22, 2019Observed: 8.8 ft at 7:00PM Jun 22, 2019Observed: 8.76 ft at 7:15PM Jun 22, 2019Observed: 8.74 ft at 7:30PM Jun 22, 2019Observed: 8.71 ft at 7:45PM Jun 22, 2019Observed: 8.7 ft at 8:00PM Jun 22, 2019Observed: 8.65 ft at 8:15PM Jun 22, 2019Observed: 8.61 ft at 8:30PM Jun 22, 2019Observed: 8.6 ft at 8:45PM Jun 22, 2019Observed: 8.6 ft at 9:00PM Jun 22, 2019Observed: 8.55 ft at 9:15PM Jun 22, 2019Observed: 8.55 ft at 9:30PM Jun 22, 2019Observed: 8.54 ft at 9:45PM Jun 22, 2019Observed: 8.54 ft at 10:00PM Jun 22, 2019Observed: 8.5 ft at 10:15PM Jun 22, 2019Observed: 8.48 ft at 10:30PM Jun 22, 2019Observed: 8.47 ft at 10:45PM Jun 22, 2019Observed: 8.44 ft at 11:00PM Jun 22, 2019Observed: 8.4 ft at 11:15PM Jun 22, 2019Observed: 8.43 ft at 11:30PM Jun 22, 2019Observed: 8.4 ft at 11:45PM Jun 22, 2019Observed: 8.38 ft at 12:00AM Jun 23, 2019Observed: 8.36 ft at 12:15AM Jun 23, 2019Observed: 8.35 ft at 12:30AM Jun 23, 2019Observed: 8.35 ft at 12:45AM Jun 23, 2019Observed: 8.34 ft at 1:00AM Jun 23, 2019Observed: 8.34 ft at 1:15AM Jun 23, 2019Observed: 8.3 ft at 1:30AM Jun 23, 2019Observed: 8.28 ft at 1:45AM Jun 23, 2019Observed: 8.27 ft at 2:00AM Jun 23, 2019Observed: 8.28 ft at 2:15AM Jun 23, 2019Observed: 8.27 ft at 2:30AM Jun 23, 2019Observed: 8.27 ft at 2:45AM Jun 23, 2019Observed: 8.24 ft at 3:00AM Jun 23, 2019Observed: 8.22 ft at 3:15AM Jun 23, 2019Observed: 8.19 ft at 3:30AM Jun 23, 2019Observed: 8.18 ft at 3:45AM Jun 23, 2019Observed: 8.18 ft at 4:00AM Jun 23, 2019Observed: 8.16 ft at 4:15AM Jun 23, 2019Observed: 8.13 ft at 4:30AM Jun 23, 2019Observed: 8.12 ft at 4:45AM Jun 23, 2019Observed: 8.11 ft at 5:00AM Jun 23, 2019Observed: 8.09 ft at 5:15AM Jun 23, 2019Observed: 8.06 ft at 5:30AM Jun 23, 2019Observed: 8.04 ft at 5:45AM Jun 23, 2019Observed: 8.05 ft at 6:00AM Jun 23, 2019Observed: 8.02 ft at 6:15AM Jun 23, 2019Observed: 8 ft at 6:30AM Jun 23, 2019Observed: 8 ft at 6:45AM Jun 23, 2019Observed: 8 ft at 7:00AM Jun 23, 2019Observed: 7.99 ft at 7:15AM Jun 23, 2019Observed: 7.99 ft at 7:30AM Jun 23, 2019Observed: 7.98 ft at 7:45AM Jun 23, 2019Observed: 7.99 ft at 8:00AM Jun 23, 2019Observed: 7.99 ft at 8:15AM Jun 23, 2019Observed: 7.98 ft at 8:30AM Jun 23, 2019Observed: 7.99 ft at 8:45AM Jun 23, 2019Observed: 7.98 ft at 9:00AM Jun 23, 2019Observed: 7.99 ft at 9:15AM Jun 23, 2019Observed: 7.97 ft at 9:30AM Jun 23, 2019Observed: 7.97 ft at 9:45AM Jun 23, 2019Observed: 7.96 ft at 10:00AM Jun 23, 2019Observed: 7.96 ft at 10:15AM Jun 23, 2019Observed: 7.93 ft at 10:30AM Jun 23, 2019Observed: 7.93 ft at 10:45AM Jun 23, 2019Observed: 7.9 ft at 11:00AM Jun 23, 2019Observed: 7.88 ft at 11:15AM Jun 23, 2019Observed: 7.88 ft at 11:30AM Jun 23, 2019Observed: 7.87 ft at 11:45AM Jun 23, 2019Observed: 7.85 ft at 12:00PM Jun 23, 2019Observed: 7.85 ft at 12:15PM Jun 23, 2019Observed: 7.82 ft at 12:30PM Jun 23, 2019Observed: 7.81 ft at 12:45PM Jun 23, 2019Observed: 7.8 ft at 1:00PM Jun 23, 2019Observed: 7.78 ft at 1:15PM Jun 23, 2019Observed: 7.77 ft at 1:30PM Jun 23, 2019Observed: 7.77 ft at 1:45PM Jun 23, 2019Observed: 7.76 ft at 2:00PM Jun 23, 2019Observed: 7.73 ft at 2:15PM Jun 23, 2019Observed: 7.71 ft at 2:30PM Jun 23, 2019Observed: 7.71 ft at 2:45PM Jun 23, 2019Observed: 7.71 ft at 3:00PM Jun 23, 2019Observed: 7.68 ft at 3:15PM Jun 23, 2019Observed: 7.67 ft at 3:30PM Jun 23, 2019Observed: 7.66 ft at 3:45PM Jun 23, 2019Observed: 7.65 ft at 4:00PM Jun 23, 2019Observed: 7.62 ft at 4:15PM Jun 23, 2019Observed: 7.62 ft at 4:30PM Jun 23, 2019Observed: 7.59 ft at 4:45PM Jun 23, 2019Observed: 7.6 ft at 5:00PM Jun 23, 2019Observed: 7.56 ft at 5:15PM Jun 23, 2019Observed: 7.54 ft at 5:30PM Jun 23, 2019Observed: 7.53 ft at 5:45PM Jun 23, 2019Observed: 7.54 ft at 6:00PM Jun 23, 2019Observed: 7.5 ft at 6:15PM Jun 23, 2019Observed: 7.52 ft at 6:30PM Jun 23, 2019Observed: 7.45 ft at 6:45PM Jun 23, 2019Observed: 7.47 ft at 7:00PM Jun 23, 2019Observed: 7.44 ft at 7:15PM Jun 23, 2019Observed: 7.43 ft at 7:30PM Jun 23, 2019Observed: 7.42 ft at 7:45PM Jun 23, 2019Observed: 7.38 ft at 8:00PM Jun 23, 2019Observed: 7.36 ft at 8:15PM Jun 23, 2019Observed: 7.32 ft at 8:30PM Jun 23, 2019Observed: 7.32 ft at 8:45PM Jun 23, 2019Observed: 7.31 ft at 9:00PM Jun 23, 2019Observed: 7.28 ft at 9:15PM Jun 23, 2019Observed: 7.28 ft at 9:30PM Jun 23, 2019Observed: 7.24 ft at 9:45PM Jun 23, 2019Observed: 7.24 ft at 10:00PM Jun 23, 2019Observed: 7.22 ft at 10:15PM Jun 23, 2019Observed: 7.21 ft at 10:30PM Jun 23, 2019Observed: 7.21 ft at 10:45PM Jun 23, 2019Observed: 7.19 ft at 11:00PM Jun 23, 2019Observed: 7.21 ft at 11:15PM Jun 23, 2019Observed: 7.21 ft at 11:30PM Jun 23, 2019Observed: 7.2 ft at 11:45PM Jun 23, 2019Observed: 7.2 ft at 12:00AM Jun 24, 2019Observed: 7.21 ft at 12:15AM Jun 24, 2019Observed: 7.2 ft at 12:30AM Jun 24, 2019Observed: 7.2 ft at 12:45AM Jun 24, 2019Observed: 7.21 ft at 1:00AM Jun 24, 2019Observed: 7.2 ft at 1:15AM Jun 24, 2019Observed: 7.2 ft at 1:30AM Jun 24, 2019Observed: 7.21 ft at 1:45AM Jun 24, 2019Observed: 7.21 ft at 2:00AM Jun 24, 2019Observed: 7.19 ft at 2:15AM Jun 24, 2019Observed: 7.19 ft at 2:30AM Jun 24, 2019Observed: 7.22 ft at 2:45AM Jun 24, 2019Observed: 7.2 ft at 3:00AM Jun 24, 2019Observed: 7.19 ft at 3:15AM Jun 24, 2019Observed: 7.2 ft at 3:30AM Jun 24, 2019Observed: 7.18 ft at 3:45AM Jun 24, 2019Observed: 7.17 ft at 4:00AM Jun 24, 2019Observed: 7.18 ft at 4:15AM Jun 24, 2019Observed: 7.16 ft at 4:30AM Jun 24, 2019Observed: 7.15 ft at 4:45AM Jun 24, 2019Observed: 7.15 ft at 5:00AM Jun 24, 2019Observed: 7.14 ft at 5:15AM Jun 24, 2019Observed: 7.13 ft at 5:30AM Jun 24, 2019Observed: 7.1 ft at 5:45AM Jun 24, 2019Observed: 7.1 ft at 6:00AM Jun 24, 2019Observed: 7.09 ft at 6:15AM Jun 24, 2019Observed: 7.08 ft at 6:30AM Jun 24, 2019Observed: 7.07 ft at 6:45AM Jun 24, 2019Observed: 7.05 ft at 7:00AM Jun 24, 2019Observed: 7.05 ft at 7:15AM Jun 24, 2019Observed: 7.04 ft at 7:30AM Jun 24, 2019Observed: 7.05 ft at 7:45AM Jun 24, 2019Observed: 7.05 ft at 8:00AM Jun 24, 2019Observed: 7.07 ft at 8:15AM Jun 24, 2019Observed: 7.06 ft at 8:30AM Jun 24, 2019Observed: 7.07 ft at 8:45AM Jun 24, 2019Observed: 7.07 ft at 9:00AM Jun 24, 2019Observed: 7.08 ft at 9:15AM Jun 24, 2019Observed: 7.09 ft at 9:30AM Jun 24, 2019Observed: 7.09 ft at 9:45AM Jun 24, 2019Observed: 7.08 ft at 10:00AM Jun 24, 2019Observed: 7.1 ft at 10:15AM Jun 24, 2019Observed: 7.12 ft at 10:30AM Jun 24, 2019Observed: 7.07 ft at 10:45AM Jun 24, 2019Observed: 7.08 ft at 11:00AM Jun 24, 2019Observed: 7.09 ft at 11:15AM Jun 24, 2019Observed: 7.09 ft at 11:30AM Jun 24, 2019Observed: 7.08 ft at 11:45AM Jun 24, 2019Observed: 7.09 ft at 12:00PM Jun 24, 2019Observed: 7.1 ft at 12:15PM Jun 24, 2019Observed: 7.09 ft at 12:30PM Jun 24, 2019Observed: 7.09 ft at 12:45PM Jun 24, 2019Observed: 7.08 ft at 1:00PM Jun 24, 2019Observed: 7.08 ft at 1:15PM Jun 24, 2019Observed: 7.07 ft at 1:30PM Jun 24, 2019Observed: 7.07 ft at 1:45PM Jun 24, 2019Observed: 7.06 ft at 2:00PM Jun 24, 2019Observed: 7.06 ft at 2:15PM Jun 24, 2019Observed: 7.06 ft at 2:30PM Jun 24, 2019Observed: 7.06 ft at 2:45PM Jun 24, 2019Observed: 7.04 ft at 3:00PM Jun 24, 2019Observed: 7.03 ft at 3:15PM Jun 24, 2019Observed: 7.02 ft at 3:30PM Jun 24, 2019Observed: 7 ft at 3:45PM Jun 24, 2019Observed: 6.99 ft at 4:00PM Jun 24, 2019Observed: 6.98 ft at 4:15PM Jun 24, 2019Observed: 6.96 ft at 4:30PM Jun 24, 2019Observed: 6.96 ft at 4:45PM Jun 24, 2019Observed: 6.94 ft at 5:00PM Jun 24, 2019Observed: 6.91 ft at 5:15PM Jun 24, 2019Observed: 6.92 ft at 5:30PM Jun 24, 2019Observed: 6.91 ft at 5:45PM Jun 24, 2019Observed: 6.9 ft at 6:00PM Jun 24, 2019Observed: 6.9 ft at 6:15PM Jun 24, 2019Observed: 6.88 ft at 6:30PM Jun 24, 2019Observed: 6.88 ft at 6:45PM Jun 24, 2019Observed: 6.86 ft at 7:00PM Jun 24, 2019Observed: 6.86 ft at 7:15PM Jun 24, 2019Observed: 6.83 ft at 7:30PM Jun 24, 2019Observed: 6.84 ft at 7:45PM Jun 24, 2019Observed: 6.83 ft at 8:00PM Jun 24, 2019Observed: 6.8 ft at 8:15PM Jun 24, 2019Observed: 6.8 ft at 8:30PM Jun 24, 2019Observed: 6.79 ft at 8:45PM Jun 24, 2019Observed: 6.77 ft at 9:00PM Jun 24, 2019Observed: 6.76 ft at 9:15PM Jun 24, 2019Observed: 6.76 ft at 9:30PM Jun 24, 2019Observed: 6.75 ft at 9:45PM Jun 24, 2019Observed: 6.76 ft at 10:00PM Jun 24, 2019Observed: 6.75 ft at 10:15PM Jun 24, 2019Observed: 6.75 ft at 10:30PM Jun 24, 2019Observed: 6.74 ft at 10:45PM Jun 24, 2019Observed: 6.73 ft at 11:00PM Jun 24, 2019Observed: 6.74 ft at 11:15PM Jun 24, 2019Observed: 6.73 ft at 11:30PM Jun 24, 2019Observed: 6.75 ft at 11:45PM Jun 24, 2019Observed: 6.73 ft at 12:00AM Jun 25, 2019Observed: 6.74 ft at 12:15AM Jun 25, 2019Observed: 6.73 ft at 12:30AM Jun 25, 2019Observed: 6.75 ft at 12:45AM Jun 25, 2019Observed: 6.74 ft at 1:00AM Jun 25, 2019Observed: 6.73 ft at 1:15AM Jun 25, 2019Observed: 6.74 ft at 1:30AM Jun 25, 2019Observed: 6.74 ft at 1:45AM Jun 25, 2019Observed: 6.73 ft at 2:00AM Jun 25, 2019Observed: 6.73 ft at 2:15AM Jun 25, 2019Observed: 6.72 ft at 2:30AM Jun 25, 2019Observed: 6.72 ft at 2:45AM Jun 25, 2019Observed: 6.7 ft at 3:00AM Jun 25, 2019Observed: 6.71 ft at 3:15AM Jun 25, 2019Observed: 6.71 ft at 3:30AM Jun 25, 2019Observed: 6.72 ft at 3:45AM Jun 25, 2019Observed: 6.72 ft at 4:00AM Jun 25, 2019Observed: 6.71 ft at 4:15AM Jun 25, 2019Observed: 6.7 ft at 4:30AM Jun 25, 2019Observed: 6.7 ft at 4:45AM Jun 25, 2019Observed: 6.69 ft at 5:00AM Jun 25, 2019Observed: 6.68 ft at 5:15AM Jun 25, 2019Observed: 6.69 ft at 5:30AM Jun 25, 2019Observed: 6.71 ft at 5:45AM Jun 25, 2019Observed: 6.7 ft at 6:00AM Jun 25, 2019Observed: 6.72 ft at 6:15AM Jun 25, 2019Observed: 6.73 ft at 6:30AM Jun 25, 2019Observed: 6.73 ft at 6:45AM Jun 25, 2019Observed: 6.74 ft at 7:00AM Jun 25, 2019Observed: 6.75 ft at 7:15AM Jun 25, 2019Observed: 6.76 ft at 7:30AM Jun 25, 2019Observed: 6.76 ft at 7:45AM Jun 25, 2019Observed: 6.77 ft at 8:00AM Jun 25, 2019Observed: 6.76 ft at 8:15AM Jun 25, 2019Observed: 6.79 ft at 8:30AM Jun 25, 2019Forecast: 6.5 ft 2:00PM Jun 25, 2019Forecast: 6.6 ft 8:00PM Jun 25, 2019Forecast: 6.7 ft 2:00AM Jun 26, 2019Forecast: 6.7 ft 8:00AM Jun 26, 2019Forecast: 6.7 ft 2:00PM Jun 26, 2019Highest Forecast: 6.8 ft 8:00PM Jun 26, 2019Forecast: 6.7 ft 2:00AM Jun 27, 2019Forecast: 6.7 ft 8:00AM Jun 27, 2019USGS--Water Resources of the United StatesRGLN4(plotting HGIRG) Graph Created (9:33AM Jun 25, 2019)ObservedForecast (issued 9:45AM Jun 24)Latest observed value: 6.79 ft at 8:30 AM EDT 25-Jun-2019. Flood Stage is 22 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Delaware River at Riegelsville are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Easton Upstream Gauge Downstream Gauge Downstream Gauge - at Frenchtown
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 26
Flood Stage: 22
Action Stage: 15
Low Stage (in feet): 0

Historic Crests
(1) 38.85 ft on 08/20/1955
(2) 35.90 ft on 10/10/1903
(3) 34.07 ft on 04/03/2005
(4) 33.62 ft on 06/29/2006
(5) 32.45 ft on 03/19/1936
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 28.06 ft on 09/09/2011
(2) 24.51 ft on 08/29/2011
(3) 25.20 ft on 03/12/2011
(4) 22.35 ft on 03/08/2011
(5) 20.33 ft on 10/02/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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
30 The town of Reigelsville, Pennsylvania begins to flood.
26 River Road in Carpentersville is flooded and is subject to closures. Street flooding begins in Riegelsville at the intersection of PA Route 611 and Sycamore Road.
22 Pohatcong Creek floods Creek Road due to high and backwater from the Delaware River. The Musconetcong River also floods Mount Joy Road due to high and backwater from the Delaware River.
18 River Road floods in Pohatcong Township, north of the bridge.
15 Treasure Island Scout Camp floods.
14.5 The entrance to Bull Island State Park is closed. Unsafe to cross over to Treasure Island Scout Camp.
About This Location Collapse

Latitude: 40.594722° N, Longitude: 75.189722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 22 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 29 125.12 ft 147.12 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
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

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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