Hoadley Pond Dam

LITTLE RIVER· New Haven, Connecticut· Built 1873· Masonry· 19 ft tall
Significant Hazard Water Supply Public Utility

Key Takeaway

Hoadley Pond Dam is classified as significant hazard in Connecticut. It was completed in 1873 and is 153 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 19 ft (taller than 71.2% in CT)
Dam Length145 ft
Dam TypeMasonry
Max Storage70 acre-ft
Normal Storage70 acre-ft
Surface Area8 acres
Drainage Area15 sq mi
Max Discharge2,300 cfs
Year Completed1873 (153 years old)
NID IDCT00090

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: June 26, 2019
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Aquarion Water Company of Connecticut

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hoadley Pond Dam?

Hoadley Pond 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 Hoadley Pond Dam?

Hoadley Pond Dam is owned by Aquarion Water Company of Connecticut (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hoadley Pond Dam built?

Hoadley Pond Dam was completed in 1873, making it 153 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 Hoadley Pond Dam?

Hoadley Pond 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 Hoadley Pond Dam?

Hoadley Pond Dam has a dam height of 19 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 Hoadley Pond Dam last inspected?

Hoadley Pond Dam was last inspected on June 26, 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.