Aziscohos
Key Takeaway
Aziscohos is classified as high hazard in Maine. It was completed in 1911 and is 115 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 74 ft (taller than 98.8% in ME) |
| Dam Length | 880 ft |
| Dam Type | Buttress |
| Max Storage | 321.2K acre-ft |
| Normal Storage | 220.0K acre-ft |
| Surface Area | 8,320 acres |
| Drainage Area | 214 sq mi |
| Max Discharge | 7,746 cfs |
| Year Completed | 1911 (115 years old) |
| NID ID | ME00024 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Not Listed
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Aziscohos?
Aziscohos is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Aziscohos?
Aziscohos is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Aziscohos built?
Aziscohos was completed in 1911, making it 115 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 Aziscohos?
Aziscohos serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Aziscohos?
Aziscohos has a dam height of 74 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 Aziscohos last inspected?
Aziscohos was last inspected on July 19, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.