Lily Pond
Key Takeaway
Lily Pond is classified as significant hazard in Maine. It was completed in 1948 and is 78 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 27.3% in ME) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 156 acre-ft |
| Surface Area | 257 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1948 (78 years old) |
| NID ID | ME00585 |
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
Island Heritage Trust
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lily Pond?
Lily Pond 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 Lily Pond?
Lily Pond is owned by Island Heritage Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lily Pond built?
Lily Pond was completed in 1948, making it 78 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 Lily Pond?
Lily Pond serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lily Pond?
Lily Pond has a dam height of 11 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 Lily Pond last inspected?
Lily Pond was last inspected on November 25, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.