Mettawee River at Middle Granville, NY
River level and flood forecast · Washington County
The river is 3.9 ft below flood stage (7 ft).
Forecast to rise to 3.7 ft Wed 8 AM, below the 7 ft flood stage.
Flow: 33 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 11:14 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 10 ft |
| Moderate flood stage | 8.5 ft |
| Flood stage | 7 ft |
| Action stage | 6 ft |
| Record crest (August 29, 2011) | 15.04 ft |
What floods at each level
From the National Weather Service, highest first.
- 10 ftMajor flood stage. Water approaches County Route 12. Several feet of water on Upper Turnpike Road and Gray Lane. All low-lying fields underwater.
- 8.5 ftModerate flood stage.
- 7 ftMinor flood stage. Widespread flooding of fields along the river. Water on Upper Turnpike Road and Gray Lane.
- 6 ftAction stage. Gray Road floods and affects access to one home.
Highest crests on record
- 15.04 ft — August 29, 2011
- 13.47 ft — December 17, 2000
- 11.25 ft — January 24, 1999
- 10.69 ft — January 20, 1996
- 10.68 ft — January 8, 1998
Recent crests: 7.78 ft (May 10, 2025) · 7.61 ft (December 12, 2024) · 8.44 ft (December 19, 2023) · 7.26 ft (July 11, 2023) · 7.44 ft (February 23, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GVVN6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.