Rivers in Pennsylvania
Allegheny River at Kittanning Lock and Dam
Below flood stage
10.79ftStage
Observed Tue, Sep 29, 2:00 PM EDT
- Flood stage
- 21.00 ft
- Forecast crest
- 10.80 ftTue, Sep 29, 2:00 PM EDT
- Record crest
- 30.70 ft1913
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 23.00 ft |
| Moderate flood | 22.00 ft |
| Minor flood | 21.00 ft |
| Action | 17.00 ft |
- 28.60 ftWater overtops flood wall from near Chestnut Street to Ewing Street above the dam.
- 24.80 ftCounty Health Center on South McKean Street floods.
- 21.20 ftSouth Water Street, Mulberry Street and Arch Street flood.
- 19.60 ftLock walls overtopped.
- 17.00 ftNavigation suspended, lock out of service.
Flood outlook
Chance of flooding, October to December
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 29, 2026.
Crest history
19 crests on NOAA’s list since 1913.
| # | Date | Stage |
|---|---|---|
| 1 | March 26, 1913 | 30.70 ft |
| 2 | March 10, 1964 | 24.80 ft |
| 3 | January 22, 1959 | 24.60 ft |
| 4 | March 18, 1936 | 24.20 ft |
| 5 | June 23, 1972 | 23.70 ft |
| 6 | December 30, 1942 | 23.70 ft |
| 7 | January 20, 1996 | 22.70 ft |
| 8 | September 18, 2004 | 22.20 ft |
| 9 | February 14, 1966 | 22.20 ft |
| 10 | February 20, 1981 | 21.70 ft |
| 11 | April 1, 1960 | 21.40 ft |
| 12 | February 17, 1976 | 21.30 ft |
| 13 | February 14, 1984 | 20.90 ft |
| 14 | March 16, 2007 | 20.47 ft |
| 15 | October 16, 1954 | 20.30 ft |
| 16 | February 19, 2022 | 19.74 ft |
| 17 | December 31, 1990 | 19.70 ft |
| 18 | February 25, 1985 | 19.50 ft |
| 19 | February 8, 2019 | 17.97 ft |
Most recent crests
- February 19, 2022: 19.74 ft
- February 8, 2019: 17.97 ft
- March 16, 2007: 20.47 ft
- September 18, 2004: 22.20 ft
- January 20, 1996: 22.70 ft
- December 31, 1990: 19.70 ft
- February 25, 1985: 19.50 ft
- February 14, 1984: 20.90 ft
- February 20, 1981: 21.70 ft
- February 17, 1976: 21.30 ft
Nearby
Upstream, downstream and the gauges around this one.
- UpstreamAllegheny River at Mosgrove Lock and Dam
- DownstreamAllegheny River at Clinton Lock and Dam
- Crooked Creek at Crooked Creek Dam Tailwater
- Crooked Creek at Crooked Ck. Dam Pool
- Allegheny River at Rimer Lock and Dam
- Buffalo Creek (PA) at Iron Bridge
- Buffalo Creek (PA) at Freeport/ Iron Bridge
- Allegheny River at Freeport Lock and Dam
What this means
Forecasts by the Ohio River Forecast Center. Forecasts are issued routinely year-round. The above river forecast includes future rainfall/snowmelt. Forecast stages may be different if the actual rainfall/snowmelt is different than the forecast rainfall/snowmelt. Stage may be affected by 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.