Twin Ponds Dam

LITTLE SALMON RIVER· Franklin, New York· Built 1980· Earth· 12 ft tall
Low Hazard Recreation Private

Key Takeaway

Twin Ponds Dam is classified as low hazard in New York. It was completed in 1980 and is 46 years old. Its primary use is recreation.

Physical Details

Dam Height 12 ft (taller than 23.2% in NY)
Dam Length175 ft
Dam TypeEarth
Max Storage11.0K acre-ft
Normal Storage9.6K acre-ft
Surface Area630 acres
Drainage Area6 sq mi
Max Discharge1,260 cfs
Year Completed1980 (46 years old)
NID IDNY01392

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: July 8, 1997
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

TWIN PONDS ASSOCIATES

Private

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Lake Florence Dam

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Memorial Recreation Pond Dam

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Ballard Mill

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Dickinson Dam

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St. Regis Falls

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Frequently Asked Questions

What is the hazard classification of Twin Ponds Dam?

Twin Ponds Dam 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 Twin Ponds Dam?

Twin Ponds Dam is owned by TWIN PONDS ASSOCIATES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Twin Ponds Dam built?

Twin Ponds Dam was completed in 1980, making it 46 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 Twin Ponds Dam?

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

How tall is Twin Ponds Dam?

Twin Ponds Dam has a dam height of 12 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 Twin Ponds Dam last inspected?

Twin Ponds Dam was last inspected on July 8, 1997. 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.