West Branch Susquehanna River at Renovo

1. 36.00 ftFEMA 0.2% Annual Chance Flood Level (500-year flood).
2. 29.40 ftFlood of record from March 1936. Flood waters begin to reach the Fourth Street Bridge.
3. 28.00 ftWidespread catastrophic flooding occurs on both banks of the river. The majority of homes and businesses are affected. The area is virtually "cutoff" from communicating with and traveling to the outside world due to flooded roads.
4. 26.00 ftAlmost 50 percent of Renovo is inundated. The sewage treatment plant is inoperable. Transportation into and out of Renovo are severely limited. Water supply is also affected.
5. 25.50 ftFEMA 1% Annual Chance Flood Level (100-year flood).
6. 25.00 ftThe right, or south bank begins to overflow. Widespread flooding occurs along the left bank.
7. 24.00 ftWidespread flooding occurs on the left, or north bank, with many homes and businesses affected.
8. 23.50 ftFEMA 2% Annual Chance Flood Level (50-year flood).
9. 22.00 ftMajor Flood Stage. Many homes and businesses on the left, or north bank are affected. Many streets are also inundated.
10. 20.00 ftA number of homes on the left, or north bank are affected by high water.
11. 18.00 ftModerate Flood Stage. Several homes are inundated to the first floor by high water on the left, or north bank of the river.
12. 17.50 ftFEMA 10% Annual Chance Flood Level (10-year flood).
13. 16.00 ftMinor Flood Stage. The left, or north bank overflows, affecting low lying areas.

Chance of flooding, October to December

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

Most recent crests

• September 11, 2018: 16.11 ft
• December 1, 2010: 18.25 ft
• September 18, 2004: 21.14 ft
• January 20, 1996: 20.73 ft
• February 15, 1984: 15.40 ft
• February 1, 1982: 18.57 ft
• September 26, 1975: 15.93 ft
• June 23, 1972: 26.56 ft
• March 10, 1964: 21.28 ft
• February 26, 1961: 15.91 ft

• UpstreamWest Branch Susquehanna River at Karthaus
• DownstreamWest Branch Susquehanna River at Lock Haven
• Young Womans Creek at Renovo
• Kettle Creek at Westport
• Central PA Dams Bush Dam on Kettle Creek at Bush Dam on Kettle Creek
• Kettle Creek at Cross Fork
• Beech Creek at Monument
• Central PA Dams Stevenson Dam on First Fork Sinnemahoning Creek at Stevenson Dam on First Fork Sinnemahoning Creek
• First Fork Sinnemahoning Creek at Sinnemahoning
• Pine Creek at Jersey Mills

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.

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.