Porter Lake
Porter Lake is a concrete dam located in Franklin County, Maine, built in 1940. It carries a Low hazard potential classification and has a poor condition assessment.
About Porter Lake
The primary purpose of Porter Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by David Horn (private). It impounds the Lemon near New Vineyard.
The dam stands 8 feet tall and stretches 145 feet across, creates a reservoir covering 527 acres, has a maximum storage capacity of 2,203 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1940, the structure is well-established, with more than 75 years 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. The most recent inspection on record was 01/28/2008. That was over 18 years ago.
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Location
| State | Maine |
| County | Franklin |
| Nearest City | New Vineyard |
| River/Stream | Lemon |
| Coordinates | 44.80424, -70.14569 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 145 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 2,203 acre-ft |
| Max Storage | 2,203 acre-ft |
| Normal Storage | 1,475 acre-ft |
| Surface Area | 527 acres |
| Drainage Area | 5 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | David Horn |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 01/28/2008 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00126 |
| Federal ID | ME00126 |
| More Info | State Dam Safety Program |