Charlestown Ww Lagoon Dam

NA· Sullivan, New Hampshire· Built 1995· Earth· 5 ft tall
Significant Hazard Other Local Government

Key Takeaway

Charlestown Ww Lagoon Dam is classified as significant hazard in New Hampshire. It was completed in 1995 and is 31 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 5 ft (taller than 0.3% in NH)
Dam Length2,200 ft
Dam TypeEarth
Max Storage17 acre-ft
Normal Storage6 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1995 (31 years old)
NID IDNH01461

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: April 21, 2021
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

TOWN OF CHARLESTOWN

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Charlestown Ww Lagoon Dam?

Charlestown Ww Lagoon Dam 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 Charlestown Ww Lagoon Dam?

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

When was Charlestown Ww Lagoon Dam built?

Charlestown Ww Lagoon Dam was completed in 1995, making it 31 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 Charlestown Ww Lagoon Dam?

Charlestown Ww 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 Charlestown Ww Lagoon Dam?

Charlestown Ww Lagoon Dam has a dam height of 5 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 Charlestown Ww Lagoon Dam last inspected?

Charlestown Ww Lagoon Dam was last inspected on April 21, 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.