Genesee River at Wellsville

Last updated: Jul 20, 2025, 10:13 AM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 20 - Extreme flood, levee is topped at 19.9 feet. Widespread flooding along the river throughout Allegany County. Heavy residential damages including Wellsville. Evacuations necessary.
  • 17 - 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.
  • 14 - Moderate flood, general flooding along the river in lowlying areas throughout Allegany County. Some residential and commercial damages. The levee protects most of Wellsville.

Gauge Info

Coordinates 42.1222, -77.9572
RFC NERFC
State NY
WFO BUF
County Allegany
Data Provider(s)
U.S. Geological Survey
USGS 04221000
COE Website

Gauge Location

Recent Crests

1. 11.69 ft on 02-18-2022
2. 11.11 ft on 01-13-2017
3. 11.55 ft on 01-25-2010
4. 11.64 ft on 03-15-2007
5. 16.13 ft on 01-19-1996

Historic Crests

1. 20.70 ft on 06-23-1972
2. 16.20 ft on 11-25-1950
3. 16.13 ft on 01-19-1996
4. 14.90 ft on 01-22-1959
5. 14.80 ft on 03-05-1964

Vertical Datum Table

type NAVD88
major Flooding 1486.51 ft
moderate Flooding 1483.51 ft
minor Flooding 1480.51 ft
action 1478.51 ft
Latest Value 1474.12 ft
Gauge Zero 1469.51 ft

Gauge Photos

No Images Found

Probability Information

Photo 1 of 3

Unique Local Info

Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

Observations Courtesy of the U.S. Geological Survey.

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Buffalo
587 Aero Drive
Buffalo, NY 14225-1405
Official Homepage