Lake Waukewan Dam

TR LAKE WINNIPESAUKEE· Belknap, New Hampshire· Built 1880· Concrete· 15 ft tall
High Hazard Recreation Private

Key Takeaway

Lake Waukewan Dam is classified as high hazard in New Hampshire. It was completed in 1880 and is 146 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 Length13 ft
Dam TypeConcrete
Max Storage15.9K acre-ft
Normal Storage12.5K acre-ft
Surface Area928 acres
Drainage Area13 sq mi
Max Discharge224 cfs
Year Completed1880 (146 years old)
Year Modified1976
NID IDNH00306

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: November 16, 2021
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

HAMPSHIRE HOSPITALITY HOLDINGS LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Waukewan Dam?

Lake Waukewan 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 Lake Waukewan Dam?

Lake Waukewan Dam is owned by HAMPSHIRE HOSPITALITY HOLDINGS LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Waukewan Dam built?

Lake Waukewan Dam was completed in 1880, making it 146 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 Lake Waukewan Dam?

Lake Waukewan 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 Lake Waukewan Dam?

Lake Waukewan 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 Lake Waukewan Dam last inspected?

Lake Waukewan Dam was last inspected on November 16, 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.