Lamprey River near Newmarket
Flood levels
Official flood levels at this gauge: action stage begins at 7.0 ft; minor flooding begins at 8.0 ft; moderate flooding begins at 12.0 ft; major flooding begins at 16.0 ft.
| Action stage | 7.0 ft |
|---|---|
| Minor flooding | 8.0 ft |
| Moderate flooding | 12.0 ft |
| Major flooding | 16.0 ft |
Highest recorded crests
- 18.3 ft on May 16, 2006 (historic crest)
- 17.5 ft on Apr 18, 2007 (historic crest)
- 15.1 ft on Apr 7, 1987 (historic crest)
- 14.9 ft on Mar 20, 1936 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 8.0 ft | Minor lowland flooding begins. |
|---|---|
| 10.0 ft | Bennett Road in Durham starts to flood. |
| 11.5 ft | Route 108 starts to flood. |
| 12.0 ft | Homes on Route 108 become isolated. Bennet Road has up to 1 foot of water on it. |
| 13.0 ft | Up to 1 foot of water on Route 108 between Durham and Newmarket. |
| 15.0 ft | Route 152 in Lee floods. In Newmarket, Ashswamp Road and the Twin Rivers Condos flood. Flood waters up to 5 feet deep on Bennett Road. |
| 17.0 ft | Severe flooding occurs in Durham, Newmarket, Lee and Epping. |
Forecast office: NWS Gray · River Forecast Center: Northeast River Forecast Center.
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