Twin Lakes Dam

TWIN LAKE STREAM· St. Lawrence, New York· Timber Crib· 7 ft tall
Low Hazard Other Recreation Private

Key Takeaway

Twin Lakes Dam is classified as low hazard in New York. Its primary use is other.

Physical Details

Dam Height 7 ft (taller than 0.9% in NY)
Dam Length67 ft
Dam TypeTimber Crib
Max Storage73 acre-ft
Normal Storage52 acre-ft
Surface Area26 acres
Max Discharge240 cfs
NID IDNY01381

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 14, 1994
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

HAROLD SCOTT

Private

Nearby Dams

Browns Falls

St. Lawrence, NY

High Hazard 69 ft

Benson Mines Plant Dam

St. Lawrence, NY

Low Hazard 38 ft

Newton Falls Stabilization Pond #4 Dam

St. Lawrence, NY

Low Hazard 35 ft

Flat Rock

St. Lawrence, NY

High Hazard 67 ft

Newton Falls Lower

St. Lawrence, NY

Low Hazard 25 ft

Newton Falls Stabilization Pond #3 Dam

St. Lawrence, NY

Low Hazard 22 ft

Newton Falls Upper

St. Lawrence, NY

High Hazard 21 ft

Benson Mines Little River Dam

St. Lawrence, NY

Significant Hazard 44 ft

Frequently Asked Questions

What is the hazard classification of Twin Lakes Dam?

Twin Lakes 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 Lakes Dam?

Twin Lakes Dam is owned by HAROLD SCOTT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Twin Lakes Dam?

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

How tall is Twin Lakes Dam?

Twin Lakes Dam has a dam height of 7 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 Lakes Dam last inspected?

Twin Lakes Dam was last inspected on June 14, 1994. 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.