Seven Mile Stream is an earth dam located in Kennebec County, Maine, built in 1820. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 110 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 Seven Mile Stream
The primary purpose of Seven Mile Stream is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Bruce & Kathy Calkins (private). It impounds the Seven Mile Stream.
The dam stands 18 feet tall and stretches 110 feet across, and has a maximum storage capacity of 77 acre-feet. Completed in 1820, the structure is one of the older dams in the region, with over a century and a half of service.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks.
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Location
| State | Maine |
| County | Kennebec |
| River/Stream | Seven Mile Stream |
| Coordinates | 44.39974, -69.68063 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 110 ft |
| Year Completed | 1820 (206 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 60 acre-ft |
Ownership & Safety
| Purpose | Recreation |
| Owner | Bruce & Kathy Calkins |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00740 |
| Federal ID | ME00740 |
| More Info | State Dam Safety Program |