Wonder Lake Dam

TR-MUDDY BROOK· Putnam, New York· Built 1950· 7 ft tall
Low Hazard Recreation Not Listed

Key Takeaway

Wonder Lake Dam is classified as low hazard in New York. It was completed in 1950 and is 76 years old. Its primary use is recreation.

Physical Details

Dam Height 7 ft (taller than 0.9% in NY)
Dam Length50 ft
Max Storage73 acre-ft
Normal Storage62 acre-ft
Surface Area26 acres
Max Discharge75 cfs
Year Completed1950 (76 years old)
NID IDNY01202

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: July 17, 2001
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

Not Listed

Nearby Dams

Camp Herrlich Dam

Putnam, NY

Significant Hazard 12 ft

Clover Lake Estates Dam

Putnam, NY

Low Hazard 16 ft

Drew Lake Dam

Putnam, NY

Low Hazard 13 ft

Holmes Mill Dam

Dutchess, NY

Significant Hazard 9 ft

Lake Dutchess Dam

Dutchess, NY

Low Hazard 15 ft

Lake Carmel Dam

Putnam, NY

High Hazard 25 ft

Crystal Lake Dam

Dutchess, NY

Significant Hazard 12 ft

Levine Lake Dam A

Putnam, NY

Low Hazard 15 ft

Frequently Asked Questions

What is the hazard classification of Wonder Lake Dam?

Wonder Lake 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 Wonder Lake Dam?

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

When was Wonder Lake Dam built?

Wonder Lake Dam was completed in 1950, making it 76 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 Wonder Lake Dam?

Wonder Lake 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 Wonder Lake Dam?

Wonder Lake 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 Wonder Lake Dam last inspected?

Wonder Lake Dam was last inspected on July 17, 2001. 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.