Flowed Land Dam

OPALESCENT RIVER· Essex, New York· Built 1926· Masonry· 20 ft tall
Low Hazard Recreation State Government

Key Takeaway

Flowed Land Dam is classified as low hazard in New York. It was completed in 1926 and is 100 years old. Its primary use is recreation.

Physical Details

Dam Height 20 ft (taller than 56.3% in NY)
Dam Length100 ft
Dam TypeMasonry
Max Storage720 acre-ft
Normal Storage432 acre-ft
Surface Area58 acres
Max Discharge6,310 cfs
Year Completed1926 (100 years old)
NID IDNY00800

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: November 15, 1979
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

NYS DEC

State Government

Nearby Dams

Henderson Lake Dam

Essex, NY

Low Hazard 19 ft

Boreas Ponds Dam

Essex, NY

Low Hazard 16 ft

Duck Hole Dam

Franklin, NY

Low Hazard 14 ft

Indian Pass Ranch Dam

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Low Hazard 25 ft

Beaver Flow Dam

Essex, NY

Low Hazard 16 ft

Lower Ausable Lake Dam

Essex, NY

Significant Hazard 10 ft

Elk Lake Dam

Essex, NY

Low Hazard 23 ft

Frequently Asked Questions

What is the hazard classification of Flowed Land Dam?

Flowed Land 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 Flowed Land Dam?

Flowed Land Dam is owned by NYS DEC (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Flowed Land Dam built?

Flowed Land Dam was completed in 1926, making it 100 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 Flowed Land Dam?

Flowed Land 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 Flowed Land Dam?

Flowed Land Dam has a dam height of 20 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 Flowed Land Dam last inspected?

Flowed Land Dam was last inspected on November 15, 1979. 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.