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Hydrograph River at a Glance Download
Brandywine Creek at Wilmington Stage (ft)Flow (kcfs)Observed: 12.35 ft at 6:30AM May 15, 2022Observed: 12.35 ft at 6:45AM May 15, 2022Highest Observation: 12.36 ft at 7:00AM May 15, 2022Observed: 12.35 ft at 7:15AM May 15, 2022Observed: 12.35 ft at 7:30AM May 15, 2022Observed: 12.35 ft at 7:45AM May 15, 2022Highest Observation: 12.36 ft at 8:00AM May 15, 2022Observed: 12.35 ft at 8:15AM May 15, 2022Observed: 12.35 ft at 8:30AM May 15, 2022Highest Observation: 12.36 ft at 8:45AM May 15, 2022Observed: 12.35 ft at 9:00AM May 15, 2022Observed: 12.35 ft at 9:15AM May 15, 2022Observed: 12.34 ft at 9:30AM May 15, 2022Observed: 12.34 ft at 9:45AM May 15, 2022Observed: 12.34 ft at 10:00AM May 15, 2022Observed: 12.34 ft at 10:15AM May 15, 2022Observed: 12.33 ft at 10:30AM May 15, 2022Observed: 12.34 ft at 10:45AM May 15, 2022Observed: 12.34 ft at 11:00AM May 15, 2022Observed: 12.33 ft at 11:15AM May 15, 2022Observed: 12.33 ft at 11:30AM May 15, 2022Observed: 12.33 ft at 11:45AM May 15, 2022Observed: 12.33 ft at 12:00PM May 15, 2022Observed: 12.33 ft at 12:15PM May 15, 2022Observed: 12.33 ft at 12:30PM May 15, 2022Observed: 12.32 ft at 12:45PM May 15, 2022Observed: 12.33 ft at 1:00PM May 15, 2022Observed: 12.32 ft at 1:15PM May 15, 2022Observed: 12.33 ft at 1:30PM May 15, 2022Observed: 12.31 ft at 1:45PM May 15, 2022Observed: 12.32 ft at 2:00PM May 15, 2022Observed: 12.32 ft at 2:15PM May 15, 2022Observed: 12.32 ft at 2:30PM May 15, 2022Observed: 12.31 ft at 2:45PM May 15, 2022Observed: 12.31 ft at 3:00PM May 15, 2022Observed: 12.31 ft at 3:15PM May 15, 2022Observed: 12.31 ft at 3:30PM May 15, 2022Observed: 12.3 ft at 3:45PM May 15, 2022Observed: 12.3 ft at 4:00PM May 15, 2022Observed: 12.29 ft at 4:15PM May 15, 2022Observed: 12.29 ft at 4:30PM May 15, 2022Observed: 12.29 ft at 4:45PM May 15, 2022Observed: 12.29 ft at 5:00PM May 15, 2022Observed: 12.29 ft at 5:15PM May 15, 2022Observed: 12.29 ft at 5:30PM May 15, 2022Observed: 12.28 ft at 5:45PM May 15, 2022Observed: 12.28 ft at 6:00PM May 15, 2022Observed: 12.28 ft at 6:15PM May 15, 2022Observed: 12.28 ft at 6:30PM May 15, 2022Observed: 12.28 ft at 6:45PM May 15, 2022Observed: 12.28 ft at 7:00PM May 15, 2022Observed: 12.27 ft at 7:15PM May 15, 2022Observed: 12.28 ft at 7:30PM May 15, 2022Observed: 12.27 ft at 7:45PM May 15, 2022Observed: 12.27 ft at 8:00PM May 15, 2022Observed: 12.27 ft at 8:15PM May 15, 2022Observed: 12.27 ft at 8:16PM May 15, 2022Observed: 12.27 ft at 8:30PM May 15, 2022Observed: 12.27 ft at 8:45PM May 15, 2022Observed: 12.27 ft at 9:00PM May 15, 2022Observed: 12.27 ft at 9:15PM May 15, 2022Observed: 12.27 ft at 9:30PM May 15, 2022Observed: 12.27 ft at 9:45PM May 15, 2022Observed: 12.26 ft at 10:00PM May 15, 2022Observed: 12.27 ft at 10:15PM May 15, 2022Observed: 12.27 ft at 10:30PM May 15, 2022Observed: 12.27 ft at 10:45PM May 15, 2022Observed: 12.26 ft at 11:00PM May 15, 2022Observed: 12.26 ft at 11:15PM May 15, 2022Observed: 12.26 ft at 11:30PM May 15, 2022Observed: 12.26 ft at 11:45PM May 15, 2022Observed: 12.26 ft at 12:00AM May 16, 2022Observed: 12.26 ft at 12:15AM May 16, 2022Observed: 12.26 ft at 12:30AM May 16, 2022Observed: 12.26 ft at 12:45AM May 16, 2022Observed: 12.26 ft at 1:00AM May 16, 2022Observed: 12.26 ft at 1:15AM May 16, 2022Observed: 12.26 ft at 1:30AM May 16, 2022Observed: 12.26 ft at 1:45AM May 16, 2022Observed: 12.26 ft at 2:00AM May 16, 2022Observed: 12.26 ft at 2:15AM May 16, 2022Observed: 12.26 ft at 2:30AM May 16, 2022Observed: 12.26 ft at 2:45AM May 16, 2022Observed: 12.25 ft at 3:00AM May 16, 2022Observed: 12.25 ft at 3:15AM May 16, 2022Observed: 12.26 ft at 3:30AM May 16, 2022Observed: 12.26 ft at 3:45AM May 16, 2022Observed: 12.26 ft at 4:00AM May 16, 2022Observed: 12.26 ft at 4:15AM May 16, 2022Observed: 12.25 ft at 4:30AM May 16, 2022Observed: 12.25 ft at 4:45AM May 16, 2022Observed: 12.25 ft at 5:00AM May 16, 2022Observed: 12.25 ft at 5:15AM May 16, 2022Observed: 12.25 ft at 5:30AM May 16, 2022Observed: 12.25 ft at 5:45AM May 16, 2022Observed: 12.25 ft at 6:00AM May 16, 2022Observed: 12.25 ft at 6:15AM May 16, 2022Observed: 12.25 ft at 6:30AM May 16, 2022Observed: 12.25 ft at 6:45AM May 16, 2022Observed: 12.25 ft at 7:00AM May 16, 2022Observed: 12.25 ft at 7:15AM May 16, 2022Observed: 12.25 ft at 7:30AM May 16, 2022Observed: 12.25 ft at 7:45AM May 16, 2022Observed: 12.25 ft at 8:00AM May 16, 2022Observed: 12.25 ft at 8:15AM May 16, 2022Observed: 12.24 ft at 8:30AM May 16, 2022Observed: 12.24 ft at 8:45AM May 16, 2022Observed: 12.25 ft at 9:00AM May 16, 2022Observed: 12.24 ft at 9:15AM May 16, 2022Observed: 12.24 ft at 9:30AM May 16, 2022Observed: 12.24 ft at 9:45AM May 16, 2022Observed: 12.24 ft at 10:00AM May 16, 2022Observed: 12.24 ft at 10:15AM May 16, 2022Observed: 12.24 ft at 10:30AM May 16, 2022Observed: 12.24 ft at 10:45AM May 16, 2022Observed: 12.24 ft at 11:00AM May 16, 2022Observed: 12.24 ft at 11:15AM May 16, 2022Observed: 12.24 ft at 11:30AM May 16, 2022Observed: 12.24 ft at 11:45AM May 16, 2022Observed: 12.24 ft at 12:00PM May 16, 2022Observed: 12.24 ft at 12:15PM May 16, 2022Observed: 12.24 ft at 12:16PM May 16, 2022Observed: 12.24 ft at 12:30PM May 16, 2022Observed: 12.25 ft at 12:45PM May 16, 2022Observed: 12.24 ft at 1:00PM May 16, 2022Observed: 12.24 ft at 1:15PM May 16, 2022Observed: 12.25 ft at 1:30PM May 16, 2022Observed: 12.25 ft at 1:45PM May 16, 2022Observed: 12.24 ft at 2:00PM May 16, 2022Observed: 12.24 ft at 2:15PM May 16, 2022Observed: 12.25 ft at 2:30PM May 16, 2022Observed: 12.25 ft at 2:45PM May 16, 2022Observed: 12.25 ft at 3:00PM May 16, 2022Observed: 12.25 ft at 3:15PM May 16, 2022Observed: 12.25 ft at 3:30PM May 16, 2022Observed: 12.25 ft at 3:45PM May 16, 2022Observed: 12.24 ft at 4:00PM May 16, 2022Observed: 12.25 ft at 4:15PM May 16, 2022Observed: 12.25 ft at 4:30PM May 16, 2022Observed: 12.25 ft at 4:45PM May 16, 2022Observed: 12.25 ft at 5:00PM May 16, 2022Observed: 12.24 ft at 5:15PM May 16, 2022Observed: 12.24 ft at 5:30PM May 16, 2022Observed: 12.25 ft at 5:45PM May 16, 2022Observed: 12.24 ft at 6:00PM May 16, 2022Observed: 12.25 ft at 6:15PM May 16, 2022Observed: 12.25 ft at 6:30PM May 16, 2022Observed: 12.25 ft at 6:45PM May 16, 2022Observed: 12.25 ft at 7:00PM May 16, 2022Observed: 12.24 ft at 7:15PM May 16, 2022Observed: 12.25 ft at 7:30PM May 16, 2022Observed: 12.24 ft at 7:45PM May 16, 2022Observed: 12.25 ft at 8:00PM May 16, 2022Observed: 12.24 ft at 8:15PM May 16, 2022Observed: 12.24 ft at 8:16PM May 16, 2022Observed: 12.25 ft at 8:30PM May 16, 2022Observed: 12.25 ft at 8:45PM May 16, 2022Observed: 12.25 ft at 9:00PM May 16, 2022Observed: 12.25 ft at 9:15PM May 16, 2022Observed: 12.25 ft at 9:30PM May 16, 2022Observed: 12.25 ft at 9:45PM May 16, 2022Observed: 12.25 ft at 10:00PM May 16, 2022Observed: 12.25 ft at 10:15PM May 16, 2022Observed: 12.26 ft at 10:30PM May 16, 2022Observed: 12.25 ft at 10:45PM May 16, 2022Observed: 12.26 ft at 11:00PM May 16, 2022Observed: 12.25 ft at 11:15PM May 16, 2022Observed: 12.26 ft at 11:30PM May 16, 2022Observed: 12.26 ft at 11:45PM May 16, 2022Observed: 12.26 ft at 12:00AM May 17, 2022Observed: 12.26 ft at 12:15AM May 17, 2022Observed: 12.27 ft at 12:30AM May 17, 2022Observed: 12.26 ft at 12:45AM May 17, 2022Observed: 12.26 ft at 1:00AM May 17, 2022Observed: 12.27 ft at 1:15AM May 17, 2022Observed: 12.28 ft at 1:30AM May 17, 2022Observed: 12.27 ft at 1:45AM May 17, 2022Observed: 12.28 ft at 2:00AM May 17, 2022Observed: 12.28 ft at 2:15AM May 17, 2022Observed: 12.29 ft at 2:30AM May 17, 2022Observed: 12.28 ft at 2:45AM May 17, 2022Observed: 12.3 ft at 3:00AM May 17, 2022Observed: 12.3 ft at 3:15AM May 17, 2022Observed: 12.31 ft at 3:30AM May 17, 2022Observed: 12.31 ft at 3:45AM May 17, 2022Observed: 12.31 ft at 4:00AM May 17, 2022Observed: 12.32 ft at 4:15AM May 17, 2022Observed: 12.33 ft at 4:30AM May 17, 2022Observed: 12.32 ft at 4:45AM May 17, 2022Observed: 12.33 ft at 5:00AM May 17, 2022Observed: 12.33 ft at 5:15AM May 17, 2022Observed: 12.33 ft at 5:30AM May 17, 2022Observed: 12.33 ft at 5:45AM May 17, 2022Observed: 12.33 ft at 6:00AM May 17, 2022Observed: 12.34 ft at 6:15AM May 17, 2022Observed: 12.33 ft at 6:30AM May 17, 2022Observed: 12.33 ft at 6:45AM May 17, 2022Observed: 12.33 ft at 7:00AM May 17, 2022Observed: 12.33 ft at 7:15AM May 17, 2022Observed: 12.32 ft at 7:30AM May 17, 2022Observed: 12.33 ft at 7:45AM May 17, 2022Observed: 12.32 ft at 8:00AM May 17, 2022Observed: 12.32 ft at 8:15AM May 17, 2022Observed: 12.31 ft at 8:30AM May 17, 2022Observed: 12.32 ft at 8:45AM May 17, 2022Observed: 12.31 ft at 9:00AM May 17, 2022Observed: 12.31 ft at 9:15AM May 17, 2022Observed: 12.3 ft at 9:30AM May 17, 2022Observed: 12.3 ft at 9:45AM May 17, 2022Observed: 12.3 ft at 10:00AM May 17, 2022Observed: 12.3 ft at 10:15AM May 17, 2022Observed: 12.29 ft at 10:30AM May 17, 2022Observed: 12.29 ft at 10:45AM May 17, 2022Observed: 12.28 ft at 11:00AM May 17, 2022Observed: 12.28 ft at 11:15AM May 17, 2022Observed: 12.28 ft at 11:30AM May 17, 2022Observed: 12.28 ft at 11:45AM May 17, 2022Observed: 12.28 ft at 12:00PM May 17, 2022Observed: 12.26 ft at 12:15PM May 17, 2022Observed: 12.27 ft at 12:30PM May 17, 2022Observed: 12.27 ft at 12:31PM May 17, 2022Observed: 12.27 ft at 12:45PM May 17, 2022Observed: 12.27 ft at 1:00PM May 17, 2022Observed: 12.26 ft at 1:15PM May 17, 2022Observed: 12.26 ft at 1:30PM May 17, 2022Observed: 12.26 ft at 1:45PM May 17, 2022Observed: 12.26 ft at 2:00PM May 17, 2022Observed: 12.25 ft at 2:15PM May 17, 2022Observed: 12.25 ft at 2:30PM May 17, 2022Observed: 12.26 ft at 2:45PM May 17, 2022Observed: 12.25 ft at 3:00PM May 17, 2022Observed: 12.25 ft at 3:15PM May 17, 2022Observed: 12.24 ft at 3:30PM May 17, 2022Observed: 12.24 ft at 3:45PM May 17, 2022Observed: 12.24 ft at 4:00PM May 17, 2022Observed: 12.24 ft at 4:15PM May 17, 2022Observed: 12.24 ft at 4:30PM May 17, 2022Observed: 12.24 ft at 4:45PM May 17, 2022Observed: 12.23 ft at 5:00PM May 17, 2022Observed: 12.24 ft at 5:15PM May 17, 2022Observed: 12.22 ft at 5:30PM May 17, 2022Observed: 12.23 ft at 5:45PM May 17, 2022Observed: 12.23 ft at 6:00PM May 17, 2022Observed: 12.23 ft at 6:15PM May 17, 2022Observed: 12.23 ft at 6:30PM May 17, 2022Observed: 12.23 ft at 6:45PM May 17, 2022Observed: 12.23 ft at 7:00PM May 17, 2022Observed: 12.23 ft at 7:15PM May 17, 2022Observed: 12.23 ft at 7:30PM May 17, 2022Observed: 12.22 ft at 7:45PM May 17, 2022Observed: 12.22 ft at 8:00PM May 17, 2022Observed: 12.23 ft at 8:15PM May 17, 2022Observed: 12.22 ft at 8:30PM May 17, 2022Observed: 12.22 ft at 8:31PM May 17, 2022Observed: 12.22 ft at 8:45PM May 17, 2022Observed: 12.21 ft at 9:00PM May 17, 2022Observed: 12.21 ft at 9:15PM May 17, 2022Observed: 12.21 ft at 9:30PM May 17, 2022Observed: 12.22 ft at 9:45PM May 17, 2022Observed: 12.21 ft at 10:00PM May 17, 2022Observed: 12.21 ft at 10:15PM May 17, 2022Observed: 12.21 ft at 10:30PM May 17, 2022Observed: 12.21 ft at 10:45PM May 17, 2022Observed: 12.2 ft at 11:00PM May 17, 2022Observed: 12.21 ft at 11:15PM May 17, 2022Observed: 12.21 ft at 11:30PM May 17, 2022Observed: 12.21 ft at 11:45PM May 17, 2022Observed: 12.2 ft at 12:00AM May 18, 2022Observed: 12.2 ft at 12:15AM May 18, 2022Observed: 12.2 ft at 12:30AM May 18, 2022Observed: 12.2 ft at 12:45AM May 18, 2022Observed: 12.2 ft at 1:00AM May 18, 2022Observed: 12.2 ft at 1:15AM May 18, 2022Observed: 12.19 ft at 1:30AM May 18, 2022Observed: 12.19 ft at 1:45AM May 18, 2022Observed: 12.18 ft at 2:00AM May 18, 2022Observed: 12.18 ft at 2:15AM May 18, 2022Observed: 12.17 ft at 2:30AM May 18, 2022Observed: 12.18 ft at 2:45AM May 18, 2022Observed: 12.16 ft at 3:00AM May 18, 2022Observed: 12.17 ft at 3:15AM May 18, 2022Observed: 12.15 ft at 3:30AM May 18, 2022Observed: 12.15 ft at 3:45AM May 18, 2022Observed: 12.15 ft at 4:00AM May 18, 2022Observed: 12.15 ft at 4:15AM May 18, 2022Observed: 12.15 ft at 4:30AM May 18, 2022Observed: 12.15 ft at 4:31AM May 18, 2022Observed: 12.14 ft at 4:45AM May 18, 2022Observed: 12.14 ft at 5:00AM May 18, 2022Observed: 12.14 ft at 5:15AM May 18, 2022Forecast: 12.2 ft 8:00AM May 18, 2022Forecast: 12.2 ft 2:00PM May 18, 2022Forecast: 12.2 ft 8:00PM May 18, 2022Forecast: 12.2 ft 2:00AM May 19, 2022Forecast: 12.2 ft 8:00AM May 19, 2022Highest Forecast: 12.3 ft 2:00PM May 19, 2022Highest Forecast: 12.3 ft 8:00PM May 19, 2022Forecast: 12.2 ft 2:00AM May 20, 2022Forecast: 12.2 ft 8:00AM May 20, 2022USGS--Water Resources of the United StatesWMND1(plotting HGIRG) Graph Created (6:18AM May 18, 2022)ObservedForecast (issued 9:31AM May 17)Latest observed value: 12.14 ft at 5:15 AM EDT 18-May-2022. Flood Stage is 16.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Brandywine Creek at Wilmington are issued routinely year-round.
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Upstream Gauge - at Chadds Ford Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 18
Flood Stage: 16.5
Action Stage: 14.5
Low Stage (in feet): 0

Historic Crests
(1) 23.14 ft on 09/02/2021
(2) 20.43 ft on 05/01/2014
(3) 18.71 ft on 08/28/2011
(4) 18.58 ft on 08/05/2020
(5) 17.34 ft on 03/11/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.14 ft on 09/02/2021
(2) 18.58 ft on 08/05/2020
(3) 16.62 ft on 08/14/2018
(4) 16.90 ft on 02/25/2016
(5) 20.43 ft on 05/01/2014
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
23 Roughly a 20 block radius on both sides of the river floods. Flooding extends to Vandever Avenue on the north side and to 14th Street on the south side. Portions of Governor Printz Boulevard floods. The North Market Street Bridge is closed.
22 South Park Drive between Market Street and Van Buren Street and North Park Drive between Van Buren Street and the Swinging Bridge is closed due to flooding. The East 7th Street/7th Street Peninsula floods. Clifford Brown Walk, between East 14th Street and East 16th Street floods.
19.5 Widespread flooding occurs along the creek in Wilmington. Rockland Road from Black Gates Road to Country Club Drive is flooded as is Rockland Road from Adams Drive to Mt. Lebanon Road. The 1300 block of East 12th Street is flooded impacting access to I-495.
19 Serious flooding at the Dupont Experimental Station. Historic Breck's Mill area in Montchanin experiences significant flooding. Hagley Creek Road as well as Barley Mill Road are flooded. The Post Office is flooded as is the museum and library.
18 Ramsey Road is subject to closures between Del. 92 and Beaver Dam Road as the Brandywine backs up into Ransey Run.
17 Some flooding begins in the historic Breck's Mill area in Montchanin.
16.5 North Park Drive, west of North Market Street, in Brandywine State Park is subject to flooding and closures.
14.5 Minor flooding begins along the creek in the Brandywine State Park.
About This Location Collapse

Latitude: 39.769500° N, Longitude: 75.576694° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 16.5 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 67.17 83.67 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:

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.

Due to a gage relocation, the flood stage level has recently changed(9/4/2008). The relocated gage is now on the left bank (upstream side) near the Rising Sun Bridge. The gage was previously 1/2 mile downstream below Mill Dam. Historical data associated with the new gage, such as crests and low water levels, will be listed as they occur. Here are the top four crests associated with the old location...15.49 ft on 06/23/1972...15.43 ft on 09/17/1999...13.89 ft on 08/19/1955...13.83 ft on 09/13/1971. Here are the top four low water records associated with the old location...2.31 ft on 09/13/1995...2.38 ft on 08/19/1963...2.49 ft on 10/31/1963...2.57 ft on 08/31/1965. 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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Page last modified: 2-Nov-2020 7:30 PM
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