Municipal Finishing Sewage Lagoon 2

NA· Sullivan, New Hampshire· Built 1968· Earth· 11 ft tall
Significant Hazard Other Local Government

Key Takeaway

Municipal Finishing Sewage Lagoon 2 is classified as significant hazard in New Hampshire. It was completed in 1968 and is 58 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 11 ft (taller than 23.8% in NH)
Dam Length1,675 ft
Dam TypeEarth
Max Storage44 acre-ft
Normal Storage32 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1968 (58 years old)
NID IDNH00809

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
Last Inspection: November 9, 2021
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

TOWN OF NEWPORT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Municipal Finishing Sewage Lagoon 2?

Municipal Finishing Sewage Lagoon 2 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Municipal Finishing Sewage Lagoon 2?

Municipal Finishing Sewage Lagoon 2 is owned by TOWN OF NEWPORT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Municipal Finishing Sewage Lagoon 2 built?

Municipal Finishing Sewage Lagoon 2 was completed in 1968, making it 58 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 Municipal Finishing Sewage Lagoon 2?

Municipal Finishing Sewage Lagoon 2 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 Municipal Finishing Sewage Lagoon 2?

Municipal Finishing Sewage Lagoon 2 has a dam height of 11 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 Municipal Finishing Sewage Lagoon 2 last inspected?

Municipal Finishing Sewage Lagoon 2 was last inspected on November 9, 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.