Howard Mill Dam
Howard Mill Dam is an earth dam located in Washington County, Maine, built in 1960. It carries a Low hazard potential classification and has a fair condition assessment.
About Howard Mill Dam
The primary purpose of Howard 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 Us Fish And Wildlife Service (federal). It impounds the Magurrewock Stream.
The dam stands 11 feet tall and stretches 180 feet across, creates a reservoir covering 49 acres, has a maximum storage capacity of 253 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/26/2014. That was over 11 years ago.
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Location
| State | Maine |
| County | Washington |
| River/Stream | Magurrewock Stream |
| Coordinates | 45.10586, -67.26144 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 8 ft |
| Dam Length | 180 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 253 acre-ft |
| Max Storage | 253 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 49 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 445 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US FISH AND WILDLIFE SERVICE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/26/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00629 |
| Federal ID | ME00629 |
| More Info | State Dam Safety Program |