Number One Pond
Key Takeaway
Number One Pond is classified as low hazard in Maine. It was completed in 1912 and is 114 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 14 ft (taller than 45.1% in ME) |
| Dam Length | 245 ft |
| Dam Type | Concrete |
| Max Storage | 508 acre-ft |
| Normal Storage | 278 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 41 sq mi |
| Year Completed | 1912 (114 years old) |
| Year Modified | 1998 |
| NID ID | ME00185 |
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
Sanford
Local Government
Nearby Dams
River Street
York, ME
Significant Hazard 17 ftMill Street
York, ME
High Hazard 20 ftLittlefield River
York, ME
Low Hazard 11 ftEmery Mills
York, ME
High Hazard 29 ftBauneg Beg
York, ME
Low Hazard 12 ftBunganut Lake
York, ME
Low Hazard 14 ftEstes Lake
York, ME
High Hazard 45 ftDoughty Falls
York, ME
Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Number One Pond?
Number One Pond 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 Number One Pond?
Number One Pond is owned by Sanford (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Number One Pond built?
Number One Pond was completed in 1912, making it 114 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 Number One Pond?
Number One Pond serves the following purposes: Flood Risk Reduction, Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Number One Pond?
Number One Pond has a dam height of 14 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 Number One Pond last inspected?
Number One Pond was last inspected on October 27, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.