Cochnewagon
Key Takeaway
Cochnewagon is classified as significant hazard in Maine. It was completed in 1900 and is 126 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 9 ft (taller than 13% in ME) |
| Dam Length | 40 ft |
| Dam Type | Concrete |
| Max Storage | 1.6K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 403 acres |
| Drainage Area | 4 sq mi |
| Year Completed | 1900 (126 years old) |
| Year Modified | 1962 |
| NID ID | ME00314 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Monmouth
Local Government
Nearby Dams
Mill Pond
Kennebec, ME
Low Hazard 16 ftWilson Pond
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Significant Hazard 14 ftAnnabessacook Lake
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Low Hazard 11 ftMaranacook Lake
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Low Hazard 12 ftTacoma Lakes
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Low Hazard 11 ftWayne Village
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Low Hazard 18 ftAllen Pond
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Low Hazard 7 ftLovejoy Pond
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Cochnewagon?
Cochnewagon is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Cochnewagon?
Cochnewagon is owned by Monmouth (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cochnewagon built?
Cochnewagon was completed in 1900, making it 126 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Cochnewagon?
Cochnewagon serves the following purposes: Hydroelectric, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cochnewagon?
Cochnewagon has a dam height of 9 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Cochnewagon last inspected?
Cochnewagon was last inspected on April 15, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.