Balsams Wastewater Lagoons Dam

NA· Coos, New Hampshire· Built 1965· Earth· 28 ft tall
Significant Hazard Other Private

Key Takeaway

Balsams Wastewater Lagoons Dam is classified as significant hazard in New Hampshire. It was completed in 1965 and is 61 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 28 ft (taller than 84.8% in NH)
Dam Length785 ft
Dam TypeEarth
Max Storage27 acre-ft
Normal Storage17 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Year Completed1965 (61 years old)
NID IDNH03827

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: June 25, 2019
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

NORTH COUNTRY COOS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Balsams Wastewater Lagoons Dam?

Balsams Wastewater Lagoons 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 Balsams Wastewater Lagoons Dam?

Balsams Wastewater Lagoons Dam is owned by NORTH COUNTRY COOS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Balsams Wastewater Lagoons Dam built?

Balsams Wastewater Lagoons Dam was completed in 1965, making it 61 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 Balsams Wastewater Lagoons Dam?

Balsams Wastewater Lagoons 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 Balsams Wastewater Lagoons Dam?

Balsams Wastewater Lagoons Dam has a dam height of 28 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 Balsams Wastewater Lagoons Dam last inspected?

Balsams Wastewater Lagoons Dam was last inspected on June 25, 2019. 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.