Ches Cnty Ww Lagoon Dam

NA· Cheshire, New Hampshire· Built 1971· Earth· 20 ft tall
Significant Hazard Other Local Government

Key Takeaway

Ches Cnty Ww Lagoon Dam is classified as significant hazard in New Hampshire. It was completed in 1971 and is 55 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 20 ft (taller than 70.9% in NH)
Dam Length500 ft
Dam TypeEarth
Max Storage4 acre-ft
Normal Storage4 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1971 (55 years old)
NID IDNH03393

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

CHESHIRE CNTY FACILITIES

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ches Cnty Ww Lagoon Dam?

Ches Cnty 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 Ches Cnty Ww Lagoon Dam?

Ches Cnty Ww Lagoon Dam is owned by CHESHIRE CNTY FACILITIES (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ches Cnty Ww Lagoon Dam built?

Ches Cnty Ww Lagoon Dam was completed in 1971, making it 55 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 Ches Cnty Ww Lagoon Dam?

Ches Cnty 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 Ches Cnty Ww Lagoon Dam?

Ches Cnty Ww Lagoon Dam has a dam height of 20 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 Ches Cnty Ww Lagoon Dam last inspected?

Ches Cnty 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.