Genesee River at Portageville

Last updated: Jul 23, 2025, 5:23 AM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 29 - Major flood, widespread residential, commercial, and agricultural flooding. Heavy damages. Road closures. Possible evacuations.
  • 25 - Moderate flood, widespread flooding to agricultural land. Some residential flooding and damages begin. Possible road closures.
  • 19 - Flood stage, river begins to overflow into agricultural lands from Belfast to Letchworth. Little damage to structures.

Gauge Info

Coordinates 42.5703, -78.0422
RFC NERFC
State NY
WFO BUF
County Wyoming
Data Provider(s)
U.S. Geological Survey
USGS 04223000
COE Website

Gauge Location

Recent Crests

1. 20.19 ft on 01-13-2018
2. 19.73 ft on 01-13-2017
3. 20.65 ft on 03-15-2007
4. 24.19 ft on 01-08-1998
5. 29.12 ft on 01-20-1996

Historic Crests

1. 35.25 ft on 06-23-1972
2. 29.12 ft on 01-20-1996
3. 29.12 ft on 07-06-1902
4. 25.54 ft on 09-29-1967
5. 24.90 ft on 05-17-1916

Vertical Datum Table

type NAVD88
major Flooding 1108.72 ft
moderate Flooding 1104.72 ft
minor Flooding 1098.72 ft
action 1096.72 ft
Latest Value 1088.39 ft
Gauge Zero 1079.72 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