Stonycreek River at Ferndale

1. 35.00 ftFlood waters begin to reach the Washington Street Bridge.
2. 33.00 ftFlood waters begin to reach the Franklin Street Bridge.
3. 32.00 ftFEMA 0.2% Annual Chance Flood Level (500-year flood).
4. 26.00 ftFlood waters begin to reach the Moxham Bridge.
5. 25.00 ftFlood waters begin to reach the Horner Street Bridge.
6. 23.20 ftFlood of record from July, 1977.
7. 22.50 ftFEMA 1% Annual Chance Flood Level (100-year flood). Flood waters begin to reach the Roosevelt Boulevard Bridge. High water overflows both banks.
8. 22.00 ftFlood waters begin to reach the Hickory Street Bridge.
9. 21.00 ftHigh water overflows both banks.
10. 20.50 ftFlood waters begin to reach the Bridge Street Bridge. High water overflows both banks.
11. 19.50 ftFEMA 2% Annual Chance Flood Level (50-year flood). Flood waters begin to reach the Eisenhower Boulevard Bridge.
12. 19.00 ftHigh water begins to overflow the right bank.
13. 16.50 ftFlood waters begin to reach the King Street Bridge.
14. 14.50 ftFEMA 10% Annual Chance Flood Level (10-year flood).

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 22, 2026.

Most recent crests

• January 19, 1996: 17.81 ft
• April 17, 1993: 10.40 ft
• July 20, 1977: 23.21 ft
• June 23, 1972: 13.36 ft

• Conemaugh River at Johnstown
• Little Conemaugh River at East Conemaugh
• Conemaugh River at Seward
• Blacklick Creek at Josephine
• Two Lick Creek at Graceton
• Yellow Creek at Homer City
• Loyalhanna Creek at Kingston
• Loyalhanna Creek at Latrobe

Forecasts by the Ohio River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage may be affected by 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.