Rivers in Pennsylvania

Susquehanna River at Danville

Montour County, PennsylvaniaNWS DANP1USGS 01540500State College office

Below flood stage
3.76ftStage

Observed Thu, Sep 24, 5:30 AM EDT

Flood stage
20.00 ft
Forecast crest
3.70 ftThu, Sep 24, 8:00 AM EDT
Record crest
32.32 ft1972

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood30.00 ft
Moderate flood23.00 ft
Minor flood20.00 ft
Action15.00 ft
  1. 41.50 ftFlood waters begin to reach the Rupert Drive Bridge in Catawissa.
  2. 38.00 ftFEMA 0.2% Annual Chance Flood Level (500-year flood).
  3. 34.00 ftLevee system on the right bank begins to overflow. Widespread flooding continues in unprotected areas. Low lying areas within the levee system begin to be affected.
  4. 32.30 ftFlood of record from Hurricane Agnes in 1972.
  5. 32.00 ftAreas outside of the levee system experiences widespread flooding. The levee system protects most of Danville to a height of 34 feet.
  6. 31.50 ftFEMA 1% Annual Chance Flood Level (100-year flood).
  7. 30.50 ftFlood waters begin to reach the Danville Riverside Bridge.
  8. 30.00 ftMuch of Riverside on the left bank is affected by high water. Water levels approach the pump station on the right bank just downstream of the highway bridge.
  9. 29.00 ftFEMA 2% Annual Chance Flood Level (50-year flood).
  10. 24.50 ftFEMA 10% Annual Chance Flood Level (10-year flood). Flood waters begin to affects residences in Riverside on the left bank of the river.
  11. 24.00 ftInundation in Riverside on the left bank of the river begins to affect residences.
  12. 23.00 ftFlooding occurs at the state hospital grounds on the east side of town. Backwater produces flooding on Sechler Run in the center of town.
  13. 21.00 ftBasements flood in homes along Mahoning Creek on the right bank of the river.
  14. 20.00 ftInundation begins in Riverside on the left bank.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding6%
Moderate flooding5%
Major floodingUnder 5%

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

Crest history

46 crests on NOAA’s list since 1865.

#DateStage
1June 24, 197232.32 ft
2September 9, 201131.55 ft
3March 9, 190430.71 ft
4June 28, 200628.19 ft
5March 19, 193628.01 ft
6March 18, 186528.00 ft
7September 28, 197527.52 ft
8September 19, 200426.22 ft
9March 3, 190226.20 ft
10January 25, 190426.20 ft
11May 9, 194625.98 ft
12January 21, 199625.97 ft
13April 2, 194025.25 ft
14March 11, 196425.13 ft
15February 10, 190424.60 ft
16April 4, 200524.28 ft
17April 7, 198424.14 ft
18January 1, 194324.00 ft
19April 3, 199323.97 ft
20March 7, 197923.93 ft
21April 2, 196023.92 ft
22March 28, 191323.11 ft
23April 12, 199322.84 ft
24December 16, 190122.80 ft
25March 16, 198622.68 ft

Most recent crests

  • December 27, 2020: 20.23 ft
  • August 16, 2018: 22.29 ft
  • September 9, 2011: 31.55 ft
  • April 29, 2011: 22.41 ft
  • March 12, 2011: 22.57 ft
  • June 28, 2006: 28.19 ft
  • April 4, 2005: 24.28 ft
  • March 30, 2005: 20.86 ft
  • January 15, 2005: 20.56 ft
  • September 19, 2004: 26.22 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. Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.

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.