Rivers in New York
Genesee River at Wellsville
Below flood stage
4.59ftStage
Observed Wed, Sep 23, 6:45 AM EDT
- Flood stage
- 11.00 ft
- Forecast crest
- 4.60 ftWed, Sep 23, 8:00 AM EDT
- Record crest
- 20.70 ft1972
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 17.00 ft |
| Moderate flood | 14.00 ft |
| Minor flood | 11.00 ft |
| Action | 9.00 ft |
- 20.00 ftExtreme flood, levee is topped at 19.9 feet. Widespread flooding along the river throughout Allegany County. Heavy residential damages including Wellsville. Evacuations necessary.
- 17.00 ftMajor flood, major flooding all along the Genesee River throughout Allegany County. Commercial and residential damages. Road closures. Levee continues to protect most of Wellsville to 19.9 feet.
- 14.00 ftModerate flood, general flooding along the river in lowlying areas throughout Allegany County. Some residential and commercial damages. The levee protects most of Wellsville.
- 11.00 ftFlood stage, banks overflow and begin to flood lowlying areas outside the levees in places such as Scio. Minor damages.
- 9.00 ftAction stage, high flows. No flooding.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 17% |
| Moderate flooding | 6% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.
Crest history
22 crests on NOAA’s list since 1918.
| # | Date | Stage |
|---|---|---|
| 1 | June 23, 1972 | 20.70 ft |
| 2 | November 25, 1950 | 16.20 ft |
| 3 | January 19, 1996 | 16.13 ft |
| 4 | January 22, 1959 | 14.90 ft |
| 5 | March 5, 1964 | 14.80 ft |
| 6 | May 28, 1946 | 14.40 ft |
| 7 | December 6, 1972 | 13.80 ft |
| 8 | October 28, 1981 | 13.60 ft |
| 9 | June 20, 1989 | 13.26 ft |
| 10 | February 26, 1961 | 13.10 ft |
| 11 | May 22, 1919 | 12.90 ft |
| 12 | March 14, 1918 | 12.70 ft |
| 13 | March 22, 1948 | 12.70 ft |
| 14 | March 8, 1956 | 12.65 ft |
| 15 | March 17, 1973 | 12.20 ft |
| 16 | July 18, 1942 | 11.90 ft |
| 17 | February 18, 2022 | 11.69 ft |
| 18 | March 15, 2007 | 11.64 ft |
| 19 | January 25, 2010 | 11.55 ft |
| 20 | September 13, 1987 | 11.28 ft |
| 21 | August 14, 1984 | 11.26 ft |
| 22 | January 13, 2017 | 11.11 ft |
Most recent crests
- February 18, 2022: 11.69 ft
- January 13, 2017: 11.11 ft
- January 25, 2010: 11.55 ft
- March 15, 2007: 11.64 ft
- January 19, 1996: 16.13 ft
- June 20, 1989: 13.26 ft
- September 13, 1987: 11.28 ft
- August 14, 1984: 11.26 ft
- October 28, 1981: 13.60 ft
- March 17, 1973: 12.20 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Northeast River Forecast Center. Forecasts are issued routinely year-round. Impact statements listed below may not be representative during times of ice jam flooding. Stage may be affected by ice during winter months.
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.