Washburn Mill Dam is an earth dam located in Coos County, New Hampshire. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 400 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Washburn Mill Dam
The primary purpose of Washburn Mill Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Mr Marcus Hytonen (private). It impounds the Mohawk River near Colebrook.
The dam stands 25 feet tall and stretches 400 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 22 acre-feet, and collects water from a drainage area of 24 square miles.
The most recent inspection on record was 09/28/2020.
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Location
| State | New Hampshire |
| County | Coos |
| Nearest City | Colebrook |
| River/Stream | Mohawk River |
| Coordinates | 44.87656, -71.37113 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 400 ft |
Storage & Hydraulics
| NID Storage | 22 acre-ft |
| Max Storage | 22 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 24 sq mi |
| Max Discharge | 7,331 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Mr Marcus Hytonen |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Last Inspection | 09/28/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00347 |
| Federal ID | NH00347 |
| More Info | State Dam Safety Program |