Farmington River at Unionville, CT
River level and flood forecast · Hartford County
The river is 6.2 ft below flood stage (12 ft).
Forecast to fall to 5.0 ft by Thu, Oct 15, 8 AM.
Flow: 581 cubic feet per second (USGS).
Normal for October 13.
Usual for October 13: 180 to 649 cubic feet per second (the middle half of 49 years).
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.
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An email when the National Weather Service forecasts Farmington River at Unionville to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 20 ft |
| Moderate flood stage | 14 ft |
| Flood stage | 12 ft |
| Action stage | 10 ft |
| Record crest (August 28, 2011) | 18.55 ft |
What floods at each level
From the National Weather Service, highest first.
- 16 ftThe river will flood Meadow Road and Town Farm Road in Farmington. In addition, low lying areas along Route 4 will experience flooding.
- 14 ftFlooding is expected to spread across Meadow Road in the "Meadows" section of Farmington. Some low lying areas along Route 4 may also begin to experience flooding.
- 12 ftMinor flooding of lowland areas along the river is expected, and may include lowest lying homes and businesses along Route 4.
Highest crests on record
- 18.55 ft — August 28, 2011
- 16.81 ft — April 16, 2007
- 16.57 ft — March 23, 1980
- 15.61 ft — March 7, 2011
- 15.52 ft — April 5, 1987
Recent crests: 12.57 ft (January 10, 2024) · 13.28 ft (December 18, 2023) · 12.87 ft (September 29, 2023) · 14.01 ft (September 2, 2021) · 12.77 ft (September 8, 2011)
Highest flow on record
26,600 cubic feet per second — August 28, 2011. From the USGS's yearly peaks since 1978.
Up and down the river, and nearby
- UpstreamFarmington River at W. Br. Nr. New Boston, MA
- Bunnell Brook at Burlington, CT
- North Branch Park River at Hartford, CT
- Connecticut River at Hartford, CT
- Farmington River at Tariffville, CT
- Hockanum River at East Hartford, CT
- Coginchaug River at Middlefield, CT
- Broad Brook at Broad Brook, CT
- Quinnipiac River above Wallingford, CT
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (UNVC3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.