Myosotis Lake Dam

TEN MILE CREEK· Albany, New York· Built 1933· Rockfill· 22 ft tall

High Hazard Recreation Water Supply Private

Key Takeaway

Myosotis Lake Dam is classified as high hazard in New York. It was completed in 1933 and is 93 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	22 ft (taller than 63.7% in NY)
Dam Length	277 ft
Dam Type	Rockfill
Max Storage	2.0K acre-ft
Normal Storage	1.1K acre-ft

Surface Area	98 acres
Drainage Area	7 sq mi
Max Discharge	2,820 cfs
Year Completed	1933 (93 years old)
NID ID	NY00670

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes

Last Inspection: August 24, 2020

State Regulated: Yes

Regulatory Agency: NYS DEC

Ownership

EDMUND NILES HUYCK PRESERVE, INC.

Private

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Frequently Asked Questions

What is the hazard classification of Myosotis Lake Dam?

Myosotis Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Myosotis Lake Dam?

Myosotis Lake Dam is owned by EDMUND NILES HUYCK PRESERVE, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Myosotis Lake Dam built?

Myosotis Lake Dam was completed in 1933, making it 93 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 Myosotis Lake Dam?

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

How tall is Myosotis Lake Dam?

Myosotis Lake Dam has a dam height of 22 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 Myosotis Lake Dam last inspected?

Myosotis Lake Dam was last inspected on August 24, 2020. 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.