Crescent Lake Dam

SMITH RIVER· Carroll, New Hampshire· Built 1854· Concrete· 15 ft tall
High Hazard Recreation Local Government

Key Takeaway

Crescent Lake Dam is classified as high hazard in New Hampshire. It was completed in 1854 and is 172 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 15 ft (taller than 47.8% in NH)
Dam Length131 ft
Dam TypeConcrete
Max Storage21.3K acre-ft
Normal Storage12.7K acre-ft
Surface Area3,166 acres
Drainage Area36 sq mi
Max Discharge1,880 cfs
Year Completed1854 (172 years old)
Year Modified2000
NID IDNH00309

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: May 25, 2021
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

TOWN OF WOLFEBORO

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Crescent Lake Dam?

Crescent 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 Crescent Lake Dam?

Crescent Lake Dam is owned by TOWN OF WOLFEBORO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crescent Lake Dam built?

Crescent Lake Dam was completed in 1854, making it 172 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 Crescent Lake Dam?

Crescent 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 Crescent Lake Dam?

Crescent Lake Dam has a dam height of 15 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 Crescent Lake Dam last inspected?

Crescent Lake Dam was last inspected on May 25, 2021. 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.