Housatonic River at E Br at Coltsville, MA
River level and flood forecast · Berkshire County
The river is 3.7 ft below flood stage (5 ft).
Flow: 108 cubic feet per second (USGS).
Higher than normal for October 13.
Usual for October 13: 28 to 71 cubic feet per second (the middle half of 91 years).
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.
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An email when the National Weather Service forecasts Housatonic River at E Br at Coltsville to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 10 ft |
| Moderate flood stage | 8 ft |
| Flood stage | 5 ft |
| Action stage | 4 ft |
| Record crest (September 21, 1938) | 10.8 ft |
What floods at each level
From the National Weather Service, highest first.
- 10 ftMajor flood stage.
- 8 ftModerate flood stage.
- 6.5 ftShopping center near gage floods. Water into back of stores and several feet of water in parking area.
- 5 ftFlood stage.
Highest crests on record
- 10.8 ft — September 21, 1938
- 10.38 ft — December 31, 1948
- 10.14 ft — March 18, 1936
- 8.2 ft — August 28, 2011
- 8.14 ft — October 9, 2005
Recent crests: 5.27 ft (December 18, 2023) · 5.07 ft (July 10, 2023) · 5.41 ft (September 7, 2011) · 8.2 ft (August 28, 2011) · 8.14 ft (October 9, 2005)
Highest flow on record
6,410 cubic feet per second — August 28, 2011. From the USGS's yearly peaks since 1936.
Up and down the river, and nearby
- DownstreamHousatonic River at Great Barrington, MA
- Hoosic River near Williamstown, MA
- Deerfield River at Charlemont, MA
- West Branch Westfield River at Huntington, MA
- North River at Shattuckville, MA
- Farmington River at W. Br. Nr. New Boston, MA
- Deerfield River at West Deerfield, MA
- Mill River at Northampton, MA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CTVM3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.