Swans Falls

Saco River· Oxford, Maine· Built 1923· Concrete· 10 ft tall
Low Hazard Hydroelectric Recreation Private

Key Takeaway

Swans Falls is classified as low hazard in Maine. It was completed in 1923 and is 103 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 10 ft (taller than 18.4% in ME)
Dam Length630 ft
Dam TypeConcrete
Max Storage535 acre-ft
Normal Storage450 acre-ft
Surface Area150 acres
Drainage Area446 sq mi
Max Discharge50,800 cfs
Year Completed1923 (103 years old)
NID IDME00038

Safety Information

Low Hazard

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?

Emergency Action Plan: No
Last Inspection: June 11, 2019
State Regulated: No

Ownership

Saco River Hydro, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Swans Falls?

Swans Falls 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 Swans Falls?

Swans Falls is owned by Saco River Hydro, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Swans Falls built?

Swans Falls was completed in 1923, making it 103 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 Swans Falls?

Swans Falls serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Swans Falls?

Swans Falls has a dam height of 10 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 Swans Falls last inspected?

Swans Falls was last inspected on June 11, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.