Located in Chatham, New Hampshire, the Cold River Site 1 Dam, also known as Site 1 Basin Brook Dam, was completed in 1969 by the USDA NRCS.
Wind
Humidity
This earth dam stands at a height of 43 feet and stretches 1080 feet in length, with a storage capacity of 1360 acre-feet and a drainage area of 2.75 square miles. The primary purpose of this dam is flood risk reduction, with a hazard potential classified as high.
Managed by the New Hampshire Department of Environmental Services Dam Bureau, the Cold River Site 1 Dam is regularly inspected and maintained to ensure its satisfactory condition. The dam does not feature outlet gates or a controlled spillway, and its emergency action plan was last revised in 2013. With a moderate risk assessment rating, this dam serves as a vital infrastructure for managing water resources in the area, protecting against potential flooding events and ensuring the safety of surrounding communities and ecosystems along the Basin Brook. For water resource and climate enthusiasts, the Cold River Site 1 Dam is a significant structure contributing to the ecological and hydrological balance in Carroll County, New Hampshire.
Year Completed |
1969 |
Dam Length |
1080 |
Dam Height |
43 |
River Or Stream |
BASIN BROOK |
Primary Dam Type |
Earth |
Surface Area |
28.5 |
Drainage Area |
2.75 |
Nid Storage |
1360 |
Outlet Gates |
None |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
43 |
Wild River At Gilead
|
48cfs |
Androscoggin River Near Gorham
|
1720cfs |
Saco River Near Conway
|
315cfs |
Little Androscoggin River Near South Paris
|
57cfs |
Ellis River At South Andover
|
74cfs |
Ammonoosuc River At Bethlehem Junction
|
144cfs |
| Location | Reservations | Toilets |
|---|---|---|
Basin
|
||
Basin Pond Campground
|
||
Blue Brook Tentsite
|
||
Baldface Shelter
|
||
Wild River
|
||
Wild River Campground
|