Rivers in Pennsylvania

Brandywine Creek at Chadds Ford

Delaware County, PennsylvaniaNWS CDFP1USGS 01481000Mount Holly office

Below flood stage
2.56ftStage

Observed Wed, Sep 23, 1:30 AM EDT

Flood stage
9.00 ft
Forecast crest
2.20 ftWed, Sep 23, 8:00 AM EDT
Record crest
21.04 ft2021

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood13.00 ft
Moderate flood11.00 ft
Minor flood9.00 ft
Action8.00 ft
  1. 14.00 ftBusinesses along Route 1 and Creek Road take on water.
  2. 13.00 ftResidential evacuations begin at this stage. Route 1 and Route 100 are closed. Fairville Road is also closed.
  3. 12.00 ftBusinesses upstream of the gage begin to flood.
  4. 11.80 ftBrandywine River Museum begins to take on water. Route 1 also takes on water.
  5. 10.00 ftThe intersections of Creek Road and Route 926 near Pocopson floods upstream of Chadds Ford.
  6. 8.00 ftOpen adjacent land next to the creek floods.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding36%
Moderate flooding23%
Major flooding7%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

51 crests on NOAA’s list since 1915.

#DateStage
1September 2, 202121.04 ft
2September 17, 199917.15 ft
3June 22, 197216.56 ft
4May 1, 201416.05 ft
5August 28, 201115.23 ft
6March 5, 192015.00 ft
7August 9, 194214.80 ft
8August 4, 191514.70 ft
9August 19, 195514.64 ft
10January 25, 197914.35 ft
11August 5, 202014.32 ft
12January 20, 199614.23 ft
13January 26, 197814.11 ft
14September 15, 200313.74 ft
15September 29, 200413.62 ft
16June 28, 200613.33 ft
17October 19, 199613.31 ft
18October 1, 201012.90 ft
19January 10, 202412.84 ft
20June 21, 200312.82 ft
21March 22, 200012.71 ft
22October 9, 200512.30 ft
23September 22, 197912.30 ft
24December 18, 202312.18 ft
25January 28, 199412.00 ft

Most recent crests

  • January 10, 2024: 12.84 ft
  • December 28, 2023: 10.25 ft
  • December 18, 2023: 12.18 ft
  • September 2, 2021: 21.04 ft
  • June 9, 2021: 11.81 ft
  • December 25, 2020: 10.93 ft
  • August 5, 2020: 14.32 ft
  • January 26, 2020: 9.60 ft
  • June 20, 2019: 9.27 ft
  • November 25, 2018: 9.93 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Middle Atlantic River Forecast Center. Forecasts are issued routinely year-round.

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.