Chase Mill
Key Takeaway
Chase Mill is classified as low hazard in Maine. It was completed in 1870 and is 156 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 20 ft (taller than 74.1% in ME) |
| Dam Length | 45 ft |
| Dam Type | Concrete |
| Max Storage | 32.9K acre-ft |
| Normal Storage | 27.5K acre-ft |
| Surface Area | 5,250 acres |
| Drainage Area | 53 sq mi |
| Year Completed | 1870 (156 years old) |
| Year Modified | 1936 |
| NID ID | ME00335 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
East Machias
Local Government
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Chase Mill?
Chase Mill is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Chase Mill?
Chase Mill is owned by East Machias (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chase Mill built?
Chase Mill was completed in 1870, making it 156 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 Chase Mill?
Chase Mill serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Chase Mill?
Chase Mill has a dam height of 20 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.