Groveton Paper Mill Lagoons Dam

NA· Coos, New Hampshire· Built 2010· Earth· 25 ft tall
Significant Hazard Other Private

Key Takeaway

Groveton Paper Mill Lagoons Dam is classified as significant hazard in New Hampshire. It was completed in 2010 and is 16 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 25 ft (taller than 80.2% in NH)
Dam Length2,550 ft
Dam TypeEarth
Max Storage25 acre-ft
Normal Storage10 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed2010 (16 years old)
NID IDNH03796

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: October 27, 2021
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

CHAPMAN GROVETON REALTY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Groveton Paper Mill Lagoons Dam?

Groveton Paper Mill 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 Groveton Paper Mill Lagoons Dam?

Groveton Paper Mill Lagoons Dam is owned by CHAPMAN GROVETON REALTY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Groveton Paper Mill Lagoons Dam built?

Groveton Paper Mill Lagoons Dam was completed in 2010, making it 16 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 Groveton Paper Mill Lagoons Dam?

Groveton Paper Mill 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 Groveton Paper Mill Lagoons Dam?

Groveton Paper Mill Lagoons Dam has a dam height of 25 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 Groveton Paper Mill Lagoons Dam last inspected?

Groveton Paper Mill Lagoons Dam was last inspected on October 27, 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.