River stage
Wellsville, Genesee River
- River level
- 4.40 ft
- Status
- Below flood stage
- 7-day change
- -0.01 ft
- Recent high
- 5.65 ft
- Recent low
- 4.36 ft
Last reported 2026-10-13 | NWS WLLN6
- 30-day change
- -0.88 ft
- Average
- 4.62 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 20.70 ft
In brief
The Genesee River at Wellsville, NY read 4.40 ft on Oct 13, 2026, 4.60 ft below action stage. That is 0.88 ft lower than 30 days earlier.
Source: National Weather Service gauge WLLN6
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 20.70 ft | 1972-06-23 |
| 2 | 16.20 ft | 1950-11-25 |
| 3 | 16.13 ft | 1996-01-19 |
| 4 | 14.90 ft | 1959-01-22 |
| 5 | 14.80 ft | 1964-03-05 |
| 6 | 14.40 ft | 1946-05-28 |
| 7 | 13.80 ft | 1972-12-06 |
| 8 | 13.60 ft | 1981-10-28 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 9.00 ft
Action stage, high flows. No flooding.
- 11.00 ft
Flood stage, banks overflow and begin to flood lowlying areas outside the levees in places such as Scio. Minor damages.
- 14.00 ft
Moderate flood, general flooding along the river in lowlying areas throughout Allegany County. Some residential and commercial damages. The levee protects most of Wellsville.
- 17.00 ft
Major 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.
- 20.00 ft
Extreme flood, levee is topped at 19.9 feet. Widespread flooding along the river throughout Allegany County. Heavy residential damages including Wellsville. Evacuations necessary.
Written by the local National Weather Service forecast office for this exact gauge.
Trout stocking on the Genesee River
NYSDEC's 2026 spring schedule lists 16 trout releases on the Genesee River, 28,920 fish in total, the first in the third week of March. Brown Trout and Rainbow Trout at 12-15 inches and 9-10 inches. NYSDEC's published figures for 2025, the most recent season it has confirmed, record 9,102 trout actually released here across 12 visits.
| Species | Fish | When |
|---|---|---|
| Brown Trout | 680 | March - third week |
| Rainbow Trout | 5,540 | March - third week |
| Brown Trout | 100 | March - third week |
| Rainbow Trout | 860 | March - third week |
| Brown Trout | 680 | April - first week |
| Brown Trout | 5,640 | April - first week |
| Brown Trout | 100 | April - first week |
| Rainbow Trout | 860 | April - first week |
| Brown Trout | 680 | April - third week |
| Rainbow Trout | 5,540 | April - third week |
| Brown Trout | 100 | April - third week |
| Rainbow Trout | 860 | April - third week |
| Brown Trout | 680 | May - first week |
| Brown Trout | 5,640 | May - first week |
| Brown Trout | 100 | May - first week |
| Rainbow Trout | 860 | May - first week |
NYSDEC lists a week or a month rather than a date, and notes that actual stocking can differ with fish availability and weather. Released at Amity, Wellsville, Allegany County. Full New York stocking schedule →
Frequently asked questions
Is the Genesee River flooding at Wellsville?
No. The Genesee River at Wellsville is at 4.4 ft, 4.6 ft below action stage.
What is the flood stage at Wellsville?
The National Weather Service sets action stage 9 ft, minor flooding 11 ft, moderate flooding 14 ft and major flooding 17 ft.
What is the highest the Genesee River has been at Wellsville?
The highest crest on record is 20.7 ft, on 1972-06-23.
Is the Genesee River high or low right now at Wellsville?
At 4.4 ft it is higher than 10% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge WLLN6); daily history from the U.S. Geological Survey (site 04221000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.