Cockermouth River at Groton
Flood levels
Official flood levels at this gauge: action stage begins at 8.5 ft; minor flooding begins at 9.5 ft; moderate flooding begins at 10.0 ft; major flooding begins at 12.0 ft.
| Action stage | 8.5 ft |
|---|---|
| Minor flooding | 9.5 ft |
| Moderate flooding | 10.0 ft |
| Major flooding | 12.0 ft |
Highest recorded crests
- 11.8 ft on Oct 30, 2017 (historic crest)
- 11.2 ft on Aug 28, 2011 (historic crest)
- 9.8 ft on Dec 23, 2022 (historic crest)
- 9.2 ft on Dec 18, 2023 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 9.0 ft | Flooding occurs in Grey Rocks Conservation area. |
|---|---|
| 9.5 ft | Minor flooding occurs. North Shore Road from Grey Rocks Road to Cross Road flooded in Hebron. Braley Road north of Groton Road also flooded in Hebron. |
| 10.0 ft | Moderate flooding occurs. Sculptured Rocks Road flooded north of Groton. |
| 12.0 ft | Major flooding occurs. Comparable to July 2019 flood. |
Forecast office: NWS Gray · River Forecast Center: Northeast River Forecast Center.
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