South Anna River near Ashland, VA
River level and flood forecast · Hanover County
Normal2.0 ftas of Mon 3:45 PM
The river is 10.0 ft below flood stage (12 ft).
Flow: 49 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Flood stage | 12 ft |
| Action stage | 11 ft |
| Record crest (August 23, 1969) | 24.99 ft |
What floods at each level
From the National Weather Service, highest first.
- 27 ftRiver stage sensor operating limit
- 16 ftAgricultural fields, including sod farm, downstream of gage begin to flood.
- 15 ftBoat ramp parking lot, 200 ft upstream of gage begins to flood.
- 12 ftWater begins to flood lowlands downstream of gage in the vicinity of VA routes 686 and 667.
- 11 ftLowest areas of a couple fairways of golf course downstream of gage begin to flood.
Highest crests on record
- 24.99 ft — August 23, 1969
- 24 ft — August 15, 1928
- 22.77 ft — April 28, 1937
- 22.22 ft — July 21, 1956
- 20.9 ft — June 21, 1972
Recent crests: 10.99 ft (February 16, 2025) · 13.22 ft (January 13, 2024) · 18.15 ft (November 12, 2020) · 14.63 ft (August 7, 2020) · 10.29 ft (March 24, 2019)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (AHLV2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.