Hewett Marsh is an earth dam located in Somerset County, Maine, built in 1955. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 130 ft long. 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 Hewett Marsh
The primary purpose of Hewett Marsh 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 Gloria Hewett (private). It impounds the Wesserunsett Stream.
The dam stands 8 feet tall and stretches 130 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 95 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1955, 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. The most recent inspection on record was 03/06/2002. That was over 24 years ago.
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Location
| State | Maine |
| County | Somerset |
| River/Stream | Wesserunsett Stream |
| Coordinates | 44.80778, -69.65750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 130 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 95 acre-ft |
| Max Storage | 95 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Gloria Hewett |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/06/2002 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00735 |
| Federal ID | ME00735 |
| More Info | State Dam Safety Program |