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Hydrograph River at a Glance Download
West Branch Brandywine Creek at Coatesville Stage (ft)Flow (kcfs)Highest Observation: 3.93 ft at 4:30AM May 07, 2021Highest Observation: 3.93 ft at 4:45AM May 07, 2021Highest Observation: 3.93 ft at 5:00AM May 07, 2021Highest Observation: 3.93 ft at 5:15AM May 07, 2021Highest Observation: 3.93 ft at 5:30AM May 07, 2021Highest Observation: 3.93 ft at 5:45AM May 07, 2021Highest Observation: 3.93 ft at 6:00AM May 07, 2021Highest Observation: 3.93 ft at 6:15AM May 07, 2021Highest Observation: 3.93 ft at 6:30AM May 07, 2021Highest Observation: 3.93 ft at 6:45AM May 07, 2021Highest Observation: 3.93 ft at 7:00AM May 07, 2021Highest Observation: 3.93 ft at 7:02AM May 07, 2021Highest Observation: 3.93 ft at 7:15AM May 07, 2021Highest Observation: 3.93 ft at 7:30AM May 07, 2021Highest Observation: 3.93 ft at 7:45AM May 07, 2021Highest Observation: 3.93 ft at 8:00AM May 07, 2021Highest Observation: 3.93 ft at 8:15AM May 07, 2021Highest Observation: 3.93 ft at 8:30AM May 07, 2021Highest Observation: 3.93 ft at 8:45AM May 07, 2021Observed: 3.92 ft at 9:00AM May 07, 2021Observed: 3.92 ft at 9:15AM May 07, 2021Observed: 3.92 ft at 9:30AM May 07, 2021Observed: 3.92 ft at 9:45AM May 07, 2021Observed: 3.92 ft at 10:00AM May 07, 2021Observed: 3.92 ft at 10:15AM May 07, 2021Observed: 3.92 ft at 10:30AM May 07, 2021Observed: 3.92 ft at 10:45AM May 07, 2021Observed: 3.92 ft at 11:00AM May 07, 2021Observed: 3.92 ft at 11:15AM May 07, 2021Observed: 3.92 ft at 11:30AM May 07, 2021Observed: 3.92 ft at 11:45AM May 07, 2021Observed: 3.92 ft at 12:00PM May 07, 2021Observed: 3.92 ft at 12:15PM May 07, 2021Observed: 3.92 ft at 12:30PM May 07, 2021Observed: 3.92 ft at 12:45PM May 07, 2021Observed: 3.92 ft at 1:00PM May 07, 2021Observed: 3.92 ft at 1:15PM May 07, 2021Observed: 3.92 ft at 1:30PM May 07, 2021Observed: 3.92 ft at 1:45PM May 07, 2021Observed: 3.92 ft at 2:00PM May 07, 2021Observed: 3.92 ft at 2:15PM May 07, 2021Observed: 3.92 ft at 2:30PM May 07, 2021Observed: 3.92 ft at 2:45PM May 07, 2021Observed: 3.92 ft at 3:00PM May 07, 2021Observed: 3.92 ft at 3:15PM May 07, 2021Observed: 3.92 ft at 3:30PM May 07, 2021Observed: 3.92 ft at 3:45PM May 07, 2021Observed: 3.92 ft at 4:00PM May 07, 2021Observed: 3.92 ft at 4:15PM May 07, 2021Observed: 3.92 ft at 4:30PM May 07, 2021Observed: 3.92 ft at 4:45PM May 07, 2021Observed: 3.91 ft at 5:00PM May 07, 2021Observed: 3.92 ft at 5:15PM May 07, 2021Observed: 3.91 ft at 5:30PM May 07, 2021Observed: 3.92 ft at 5:45PM May 07, 2021Observed: 3.91 ft at 6:00PM May 07, 2021Observed: 3.92 ft at 6:15PM May 07, 2021Observed: 3.91 ft at 6:30PM May 07, 2021Observed: 3.91 ft at 6:45PM May 07, 2021Observed: 3.92 ft at 7:00PM May 07, 2021Observed: 3.91 ft at 7:15PM May 07, 2021Observed: 3.92 ft at 7:30PM May 07, 2021Observed: 3.92 ft at 7:45PM May 07, 2021Observed: 3.92 ft at 8:00PM May 07, 2021Observed: 3.92 ft at 8:15PM May 07, 2021Observed: 3.92 ft at 8:30PM May 07, 2021Observed: 3.92 ft at 8:45PM May 07, 2021Observed: 3.92 ft at 9:00PM May 07, 2021Observed: 3.92 ft at 9:15PM May 07, 2021Observed: 3.92 ft at 9:30PM May 07, 2021Observed: 3.92 ft at 9:45PM May 07, 2021Observed: 3.92 ft at 10:00PM May 07, 2021Observed: 3.92 ft at 10:15PM May 07, 2021Observed: 3.92 ft at 10:30PM May 07, 2021Observed: 3.92 ft at 10:45PM May 07, 2021Observed: 3.92 ft at 11:00PM May 07, 2021Observed: 3.92 ft at 11:15PM May 07, 2021Observed: 3.92 ft at 11:30PM May 07, 2021Observed: 3.92 ft at 11:45PM May 07, 2021Observed: 3.92 ft at 12:00AM May 08, 2021Observed: 3.92 ft at 12:15AM May 08, 2021Observed: 3.92 ft at 12:30AM May 08, 2021Observed: 3.92 ft at 12:45AM May 08, 2021Observed: 3.92 ft at 1:00AM May 08, 2021Observed: 3.92 ft at 1:15AM May 08, 2021Observed: 3.92 ft at 1:30AM May 08, 2021Observed: 3.92 ft at 1:45AM May 08, 2021Observed: 3.92 ft at 2:00AM May 08, 2021Observed: 3.92 ft at 2:15AM May 08, 2021Observed: 3.92 ft at 2:30AM May 08, 2021Observed: 3.92 ft at 2:45AM May 08, 2021Observed: 3.92 ft at 3:00AM May 08, 2021Observed: 3.92 ft at 3:15AM May 08, 2021Observed: 3.92 ft at 3:30AM May 08, 2021Observed: 3.92 ft at 3:45AM May 08, 2021Observed: 3.92 ft at 4:00AM May 08, 2021Observed: 3.92 ft at 4:15AM May 08, 2021Observed: 3.92 ft at 4:30AM May 08, 2021Observed: 3.92 ft at 4:45AM May 08, 2021Observed: 3.92 ft at 5:00AM May 08, 2021Observed: 3.92 ft at 5:15AM May 08, 2021Observed: 3.92 ft at 5:30AM May 08, 2021Observed: 3.92 ft at 5:45AM May 08, 2021Observed: 3.92 ft at 6:00AM May 08, 2021Observed: 3.92 ft at 6:15AM May 08, 2021Observed: 3.92 ft at 6:30AM May 08, 2021Observed: 3.92 ft at 6:45AM May 08, 2021Observed: 3.92 ft at 7:00AM May 08, 2021Observed: 3.92 ft at 7:01AM May 08, 2021Observed: 3.92 ft at 7:15AM May 08, 2021Observed: 3.92 ft at 7:30AM May 08, 2021Observed: 3.92 ft at 7:45AM May 08, 2021Observed: 3.92 ft at 8:00AM May 08, 2021Observed: 3.92 ft at 8:15AM May 08, 2021Observed: 3.91 ft at 8:30AM May 08, 2021Observed: 3.91 ft at 8:45AM May 08, 2021Observed: 3.92 ft at 9:00AM May 08, 2021Observed: 3.92 ft at 9:15AM May 08, 2021Observed: 3.91 ft at 9:30AM May 08, 2021Observed: 3.91 ft at 9:45AM May 08, 2021Observed: 3.91 ft at 10:00AM May 08, 2021Observed: 3.92 ft at 10:15AM May 08, 2021Observed: 3.91 ft at 10:30AM May 08, 2021Observed: 3.92 ft at 10:45AM May 08, 2021Observed: 3.91 ft at 11:00AM May 08, 2021Observed: 3.91 ft at 11:15AM May 08, 2021Observed: 3.91 ft at 11:30AM May 08, 2021Observed: 3.92 ft at 11:45AM May 08, 2021Observed: 3.91 ft at 12:00PM May 08, 2021Observed: 3.92 ft at 12:15PM May 08, 2021Observed: 3.92 ft at 12:30PM May 08, 2021Observed: 3.91 ft at 12:45PM May 08, 2021Observed: 3.91 ft at 1:00PM May 08, 2021Observed: 3.92 ft at 1:15PM May 08, 2021Observed: 3.92 ft at 1:30PM May 08, 2021Observed: 3.92 ft at 1:45PM May 08, 2021Observed: 3.92 ft at 2:00PM May 08, 2021Observed: 3.91 ft at 2:15PM May 08, 2021Observed: 3.91 ft at 2:30PM May 08, 2021Observed: 3.92 ft at 2:45PM May 08, 2021Observed: 3.92 ft at 3:00PM May 08, 2021Observed: 3.91 ft at 3:15PM May 08, 2021Observed: 3.91 ft at 3:30PM May 08, 2021Observed: 3.92 ft at 3:45PM May 08, 2021Observed: 3.91 ft at 4:00PM May 08, 2021Observed: 3.92 ft at 4:15PM May 08, 2021Observed: 3.92 ft at 4:30PM May 08, 2021Observed: 3.91 ft at 4:45PM May 08, 2021Observed: 3.91 ft at 5:00PM May 08, 2021Observed: 3.92 ft at 5:15PM May 08, 2021Observed: 3.91 ft at 5:30PM May 08, 2021Observed: 3.91 ft at 5:45PM May 08, 2021Observed: 3.91 ft at 6:00PM May 08, 2021Observed: 3.91 ft at 6:15PM May 08, 2021Observed: 3.91 ft at 6:30PM May 08, 2021Observed: 3.92 ft at 6:45PM May 08, 2021Observed: 3.91 ft at 7:00PM May 08, 2021Observed: 3.91 ft at 7:15PM May 08, 2021Observed: 3.92 ft at 7:30PM May 08, 2021Observed: 3.91 ft at 7:45PM May 08, 2021Observed: 3.91 ft at 8:00PM May 08, 2021Observed: 3.91 ft at 8:15PM May 08, 2021Observed: 3.91 ft at 8:30PM May 08, 2021Observed: 3.91 ft at 8:45PM May 08, 2021Observed: 3.91 ft at 9:00PM May 08, 2021Observed: 3.91 ft at 9:15PM May 08, 2021Observed: 3.91 ft at 9:30PM May 08, 2021Observed: 3.91 ft at 9:45PM May 08, 2021Observed: 3.91 ft at 10:00PM May 08, 2021Observed: 3.91 ft at 10:15PM May 08, 2021Observed: 3.91 ft at 10:30PM May 08, 2021Observed: 3.91 ft at 10:45PM May 08, 2021Observed: 3.91 ft at 11:00PM May 08, 2021Observed: 3.91 ft at 11:15PM May 08, 2021Observed: 3.91 ft at 11:30PM May 08, 2021Observed: 3.91 ft at 11:45PM May 08, 2021Observed: 3.91 ft at 12:00AM May 09, 2021Observed: 3.91 ft at 12:15AM May 09, 2021Observed: 3.91 ft at 12:30AM May 09, 2021Observed: 3.91 ft at 12:45AM May 09, 2021Observed: 3.91 ft at 1:00AM May 09, 2021Observed: 3.91 ft at 1:15AM May 09, 2021Observed: 3.91 ft at 1:30AM May 09, 2021Observed: 3.91 ft at 1:45AM May 09, 2021Observed: 3.91 ft at 2:00AM May 09, 2021Observed: 3.91 ft at 2:15AM May 09, 2021Observed: 3.91 ft at 2:30AM May 09, 2021Observed: 3.91 ft at 2:45AM May 09, 2021Observed: 3.91 ft at 3:00AM May 09, 2021Observed: 3.91 ft at 3:15AM May 09, 2021Observed: 3.91 ft at 3:30AM May 09, 2021Observed: 3.91 ft at 3:45AM May 09, 2021Observed: 3.91 ft at 4:00AM May 09, 2021Observed: 3.91 ft at 4:15AM May 09, 2021Observed: 3.91 ft at 4:30AM May 09, 2021Observed: 3.91 ft at 4:45AM May 09, 2021Observed: 3.91 ft at 5:00AM May 09, 2021Observed: 3.91 ft at 5:15AM May 09, 2021Observed: 3.91 ft at 5:30AM May 09, 2021Observed: 3.91 ft at 5:45AM May 09, 2021Observed: 3.91 ft at 6:00AM May 09, 2021Observed: 3.91 ft at 6:15AM May 09, 2021Observed: 3.91 ft at 6:30AM May 09, 2021Observed: 3.91 ft at 6:45AM May 09, 2021Observed: 3.91 ft at 7:00AM May 09, 2021Observed: 3.91 ft at 7:01AM May 09, 2021Observed: 3.91 ft at 7:15AM May 09, 2021Observed: 3.91 ft at 7:30AM May 09, 2021Observed: 3.91 ft at 7:45AM May 09, 2021Observed: 3.9 ft at 8:00AM May 09, 2021Observed: 3.91 ft at 8:15AM May 09, 2021Observed: 3.91 ft at 8:30AM May 09, 2021Observed: 3.91 ft at 8:45AM May 09, 2021Observed: 3.91 ft at 9:00AM May 09, 2021Observed: 3.91 ft at 9:15AM May 09, 2021Observed: 3.9 ft at 9:30AM May 09, 2021Observed: 3.9 ft at 9:45AM May 09, 2021Observed: 3.9 ft at 10:00AM May 09, 2021Observed: 3.91 ft at 10:15AM May 09, 2021Observed: 3.91 ft at 10:30AM May 09, 2021Observed: 3.9 ft at 10:45AM May 09, 2021Observed: 3.91 ft at 11:00AM May 09, 2021Observed: 3.9 ft at 11:15AM May 09, 2021Observed: 3.9 ft at 11:30AM May 09, 2021Observed: 3.9 ft at 11:45AM May 09, 2021Observed: 3.9 ft at 12:00PM May 09, 2021Observed: 3.9 ft at 12:15PM May 09, 2021Observed: 3.91 ft at 12:30PM May 09, 2021Observed: 3.9 ft at 12:45PM May 09, 2021Observed: 3.9 ft at 1:00PM May 09, 2021Observed: 3.9 ft at 1:15PM May 09, 2021Observed: 3.9 ft at 1:30PM May 09, 2021Observed: 3.9 ft at 1:45PM May 09, 2021Observed: 3.9 ft at 2:00PM May 09, 2021Observed: 3.9 ft at 2:15PM May 09, 2021Observed: 3.9 ft at 2:30PM May 09, 2021Observed: 3.9 ft at 2:45PM May 09, 2021Observed: 3.9 ft at 3:00PM May 09, 2021Observed: 3.9 ft at 3:15PM May 09, 2021Observed: 3.9 ft at 3:30PM May 09, 2021Observed: 3.9 ft at 3:45PM May 09, 2021Observed: 3.9 ft at 4:00PM May 09, 2021Observed: 3.9 ft at 4:15PM May 09, 2021Observed: 3.9 ft at 4:30PM May 09, 2021Observed: 3.9 ft at 4:45PM May 09, 2021Observed: 3.9 ft at 5:00PM May 09, 2021Observed: 3.9 ft at 5:15PM May 09, 2021Observed: 3.9 ft at 5:30PM May 09, 2021Observed: 3.9 ft at 5:45PM May 09, 2021Observed: 3.9 ft at 6:00PM May 09, 2021Observed: 3.9 ft at 6:15PM May 09, 2021Observed: 3.9 ft at 6:30PM May 09, 2021Observed: 3.9 ft at 6:45PM May 09, 2021Observed: 3.9 ft at 7:00PM May 09, 2021Observed: 3.9 ft at 7:15PM May 09, 2021Observed: 3.9 ft at 7:30PM May 09, 2021Observed: 3.9 ft at 7:45PM May 09, 2021Observed: 3.9 ft at 8:00PM May 09, 2021Observed: 3.9 ft at 8:15PM May 09, 2021Observed: 3.9 ft at 8:30PM May 09, 2021Observed: 3.9 ft at 8:45PM May 09, 2021Observed: 3.9 ft at 9:00PM May 09, 2021Observed: 3.9 ft at 9:15PM May 09, 2021Observed: 3.9 ft at 9:30PM May 09, 2021Observed: 3.9 ft at 9:45PM May 09, 2021Observed: 3.9 ft at 10:00PM May 09, 2021Observed: 3.9 ft at 10:15PM May 09, 2021Observed: 3.9 ft at 10:30PM May 09, 2021Observed: 3.9 ft at 10:45PM May 09, 2021Observed: 3.9 ft at 11:00PM May 09, 2021Observed: 3.9 ft at 11:15PM May 09, 2021Observed: 3.9 ft at 11:30PM May 09, 2021Observed: 3.9 ft at 11:45PM May 09, 2021Observed: 3.9 ft at 12:00AM May 10, 2021Observed: 3.9 ft at 12:15AM May 10, 2021Observed: 3.9 ft at 12:30AM May 10, 2021Observed: 3.9 ft at 12:45AM May 10, 2021Observed: 3.9 ft at 1:00AM May 10, 2021Observed: 3.9 ft at 1:15AM May 10, 2021Observed: 3.9 ft at 1:30AM May 10, 2021Observed: 3.9 ft at 1:45AM May 10, 2021Observed: 3.9 ft at 2:00AM May 10, 2021Observed: 3.9 ft at 2:15AM May 10, 2021Observed: 3.9 ft at 2:30AM May 10, 2021Observed: 3.9 ft at 2:45AM May 10, 2021Observed: 3.9 ft at 3:00AM May 10, 2021Observed: 3.9 ft at 3:15AM May 10, 2021Observed: 3.9 ft at 3:30AM May 10, 2021Observed: 3.9 ft at 3:45AM May 10, 2021USGS--Water Resources of the United StatesCOTP1(plotting HGIRG) Graph Created (4:18AM May 10, 2021)ObservedLatest observed value: 3.9 ft at 3:45 AM EDT 10-May-2021. Flood Stage is 7 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the West Branch Brandywine Creek at Coatesville. Only observed stages are available for this point.
Return to Area Map
Upstream Gauge - at Honeybrook Upstream Gauge Downstream Gauge Downstream Gauge - at Modena
Flood Categories (in feet)
Major Flood Stage: 11
Moderate Flood Stage: 9
Flood Stage: 7
Action Stage: 6
Low Stage (in feet): 0

Historic Crests
(1) 12.30 ft on 08/09/1942
(2) 10.08 ft on 06/29/1973
(3) 9.92 ft on 06/22/1972
(4) 8.98 ft on 01/19/1996
(5) 8.69 ft on 10/08/2005
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.28 ft on 08/04/2020 (P)
(2) 7.31 ft on 08/04/2020
(3) 8.49 ft on 08/13/2018
(4) 8.45 ft on 05/01/2014
(5) 7.82 ft on 09/24/2011
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.
About This Location Collapse

Latitude: 39.985556° N, Longitude: 75.827778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 7 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 Not Available Not Available 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:
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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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