Assabet River at Maynard
Flood levels
Official flood levels at this gauge: action stage begins at 4.5 ft; minor flooding begins at 5.0 ft; moderate flooding begins at 6.0 ft; major flooding begins at 7.0 ft.
| Action stage | 4.5 ft |
|---|---|
| Minor flooding | 5.0 ft |
| Moderate flooding | 6.0 ft |
| Major flooding | 7.0 ft |
Highest recorded crests
- 8.9 ft on Aug 20, 1955 (historic crest)
- 8.2 ft on Mar 19, 1968 (historic crest)
- 8.1 ft on Jan 26, 1979 (historic crest)
- 7.2 ft on Apr 7, 1987 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 5.0 ft | Minor lowland and backyard flooding is likely along reaches of the river in Maynard, Concord as well as Hudson. Several river roads may also become covered in water. |
|---|---|
| 6.0 ft | Flooding is likely in low lying sections along the river including portions of Maynard, Hudson and Concord. Water may approach homes along the river and may force several localized road closures. |
| 7.0 ft | Significant flooding will affect interests along the river in Maynard, Concord and Hudson. Roadways may become impassable due to flood waters and some properties may need to be evacuated. Follow the directions of local emergency management officials. |
Forecast office: NWS Norton · River Forecast Center: Northeast River Forecast Center.
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