Little Falls State Dam - North

Mohawk River· Herkimer, New York· Built 1894· Gravity· 6 ft tall
Significant Hazard Hydroelectric Navigation Fish And Wildlife Pond Recreation State Government

Key Takeaway

Little Falls State Dam - North is classified as significant hazard in New York. It was completed in 1894 and is 132 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 6 ft (taller than 0.3% in NY)
Dam Length375 ft
Dam TypeGravity
Max Storage800 acre-ft
Normal Storage800 acre-ft
Surface Area200 acres
Drainage Area1,348 sq mi
Max Discharge29,000 cfs
Year Completed1894 (132 years old)
NID IDNY12517

Safety Information

Significant Hazard

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?

Emergency Action Plan: Yes
Last Inspection: September 14, 2022
State Regulated: No

Ownership

New York State Canal Corporation

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Little Falls State Dam - North?

Little Falls State Dam - North 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 Little Falls State Dam - North?

Little Falls State Dam - North is owned by New York State Canal Corporation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Little Falls State Dam - North built?

Little Falls State Dam - North was completed in 1894, making it 132 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 Little Falls State Dam - North?

Little Falls State Dam - North serves the following purposes: Hydroelectric, Navigation, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Little Falls State Dam - North?

Little Falls State Dam - North has a dam height of 6 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 Little Falls State Dam - North last inspected?

Little Falls State Dam - North was last inspected on September 14, 2022. 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.