Cellu Company Dam

HOCKANUM RIVER· Hartford, Connecticut· Built 1950· Earth· 12 ft tall
Significant Hazard Water Supply Private

Key Takeaway

Cellu Company Dam is classified as significant hazard in Connecticut. It was completed in 1950 and is 76 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 12 ft (taller than 42.4% in CT)
Dam Length120 ft
Dam TypeEarth
Max Storage295 acre-ft
Normal Storage140 acre-ft
Surface Area35 acres
Drainage Area73 sq mi
Max Discharge1,870 cfs
Year Completed1950 (76 years old)
NID IDCT00526

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: Yes
Last Inspection: August 13, 2019
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Dunn Paper-East Hartford, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cellu Company Dam?

Cellu Company 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 Cellu Company Dam?

Cellu Company Dam is owned by Dunn Paper-East Hartford, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cellu Company Dam built?

Cellu Company Dam was completed in 1950, making it 76 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 Cellu Company Dam?

Cellu Company Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Cellu Company Dam?

Cellu Company Dam has a dam height of 12 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 Cellu Company Dam last inspected?

Cellu Company Dam was last inspected on August 13, 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.