Lock C-9 Dam

CHAMPLAIN CANAL· Washington, New York· Built 1907· 17 ft tall
Low Hazard Navigation Not Listed

Key Takeaway

Lock C-9 Dam is classified as low hazard in New York. It was completed in 1907 and is 119 years old. Its primary use is navigation.

Physical Details

Dam Height 17 ft (taller than 46.3% in NY)
Dam Length115 ft
Max Storage91 acre-ft
Normal Storage61 acre-ft
Surface Area8 acres
Year Completed1907 (119 years old)
NID IDNY16072

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
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

Not Listed

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lock C-9 Dam?

Lock C-9 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 Lock C-9 Dam?

Lock C-9 Dam is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lock C-9 Dam built?

Lock C-9 Dam was completed in 1907, making it 119 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 Lock C-9 Dam?

Lock C-9 Dam serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lock C-9 Dam?

Lock C-9 Dam has a dam height of 17 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.

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.