Rivers in New York
Genesee River at Portageville
Below flood stage
8.78ftStage
Observed Thu, Sep 24, 3:16 PM EDT
- Flood stage
- 19.00 ft
- Forecast crest
- 8.80 ftThu, Sep 24, 8:00 PM EDT
- Record crest
- 35.25 ft1972
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 29.00 ft |
| Moderate flood | 25.00 ft |
| Minor flood | 19.00 ft |
| Action | 17.00 ft |
- 29.00 ftMajor flood, widespread residential, commercial, and agricultural flooding. Heavy damages. Road closures. Possible evacuations.
- 25.00 ftModerate flood, widespread flooding to agricultural land. Some residential flooding and damages begin. Possible road closures.
- 19.00 ftFlood stage, river begins to overflow into agricultural lands from Belfast to Letchworth. Little damage to structures.
- 17.00 ftAction stage, high flows. No flooding.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 11% |
| Moderate flooding | Under 5% |
| 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 1902.
| # | Date | Stage |
|---|---|---|
| 1 | June 23, 1972 | 35.25 ft |
| 2 | January 20, 1996 | 29.12 ft |
| 3 | July 6, 1902 | 29.12 ft |
| 4 | September 29, 1967 | 25.54 ft |
| 5 | May 17, 1916 | 24.90 ft |
| 6 | December 1, 1927 | 24.70 ft |
| 7 | March 26, 1913 | 24.40 ft |
| 8 | March 7, 1956 | 24.30 ft |
| 9 | January 8, 1998 | 24.19 ft |
| 10 | June 18, 1984 | 23.48 ft |
| 11 | March 13, 1920 | 23.40 ft |
| 12 | March 5, 1964 | 23.04 ft |
| 13 | December 7, 1972 | 22.55 ft |
| 14 | January 22, 1959 | 22.45 ft |
| 15 | March 29, 1950 | 21.88 ft |
| 16 | November 26, 1950 | 21.86 ft |
| 17 | June 21, 1989 | 21.58 ft |
| 18 | March 17, 1942 | 21.00 ft |
| 19 | April 25, 1961 | 20.86 ft |
| 20 | March 15, 2007 | 20.65 ft |
| 21 | January 13, 2018 | 20.19 ft |
| 22 | January 13, 2017 | 19.73 ft |
Most recent crests
- January 13, 2018: 20.19 ft
- January 13, 2017: 19.73 ft
- March 15, 2007: 20.65 ft
- January 8, 1998: 24.19 ft
- January 20, 1996: 29.12 ft
- June 21, 1989: 21.58 ft
- June 18, 1984: 23.48 ft
- December 7, 1972: 22.55 ft
- June 23, 1972: 35.25 ft
- September 29, 1967: 25.54 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.