Wolfeboro Sewage Lagoon Dam

NA· Carroll, New Hampshire· Built 1975· Earth· 45 ft tall
High Hazard Other Local Government

Key Takeaway

Wolfeboro Sewage Lagoon Dam is classified as high hazard in New Hampshire. It was completed in 1975 and is 51 years old. Its primary use is other. 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 45 ft (taller than 94% in NH)
Dam Length1,875 ft
Dam TypeEarth
Max Storage314 acre-ft
Normal Storage273 acre-ft
Surface Area14 acres
Drainage Area0 sq mi
Max Discharge306 cfs
Year Completed1975 (51 years old)
NID IDNH00542

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 Wolfeboro Sewage Lagoon Dam?

Wolfeboro Sewage Lagoon 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 Wolfeboro Sewage Lagoon Dam?

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

When was Wolfeboro Sewage Lagoon Dam built?

Wolfeboro Sewage Lagoon Dam was completed in 1975, making it 51 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 Wolfeboro Sewage Lagoon Dam?

Wolfeboro Sewage Lagoon Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Wolfeboro Sewage Lagoon Dam?

Wolfeboro Sewage Lagoon Dam has a dam height of 45 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 Wolfeboro Sewage Lagoon Dam last inspected?

Wolfeboro Sewage Lagoon 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.