Squannacook River at West Groton
Flood levels
Official flood levels at this gauge: action stage begins at 6.0 ft; minor flooding begins at 7.0 ft; moderate flooding begins at 8.5 ft; major flooding begins at 9.5 ft.
| Action stage | 6.0 ft |
|---|---|
| Minor flooding | 7.0 ft |
| Moderate flooding | 8.5 ft |
| Major flooding | 9.5 ft |
Highest recorded crests
- 8.5 ft on Apr 17, 2007 (historic crest)
- 8.2 ft on Apr 6, 1987 (historic crest)
- 8.1 ft on Apr 2, 2004 (historic crest)
- 8.0 ft on Oct 16, 1955 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 7.5 ft | Minor flooding affects the lowest lying sections of Townsend, including the farmland along Turnpike and Barker Hill roads. |
|---|---|
| 8.0 ft | Minor flooding is expected in lower lying sections of Townsend including the farming areas along Turnpike and Barker Hill roads. Flooding may also spread into low lying areas along Squannacook Terrace. |
| 8.5 ft | Flooding will affect portions of Townsend and Groton. Areas along Turnpike and Barker Hill Roads and along Squannacook Terrace should expect flooding. In addition, flooding also occurs on several access roads to the Townsend State Forest. |
| 9.0 ft | This is a serious flood event. Widespread flooding is expected along the river through Townsend, Shirley and Groton. Small brooks and tributaries trying to flow into the Squannacook will experience flooding as well. Some road closures may be needed. If asked to evacuate, do so immediately. Follow the directions of emergency management officials. |
Forecast office: NWS Norton · River Forecast Center: Northeast River Forecast Center.
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