Mixville Pond Dam

TENMILE RIVER· New Haven, Connecticut· Built 1870· Earth· 14 ft tall
High Hazard Recreation Local Government

Key Takeaway

Mixville Pond Dam is classified as high hazard in Connecticut. It was completed in 1870 and is 156 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 14 ft (taller than 54.3% in CT)
Dam Length290 ft
Dam TypeEarth
Normal Storage87 acre-ft
Surface Area10 acres
Drainage Area3 sq mi
Max Discharge375 cfs
Year Completed1870 (156 years old)
NID IDCT00302

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: November 4, 2019
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Town of Cheshire

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mixville Pond Dam?

Mixville Pond Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Mixville Pond Dam?

Mixville Pond Dam is owned by Town of Cheshire (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mixville Pond Dam built?

Mixville Pond Dam was completed in 1870, making it 156 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 Mixville Pond Dam?

Mixville Pond Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Mixville Pond Dam?

Mixville Pond Dam has a dam height of 14 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 Mixville Pond Dam last inspected?

Mixville Pond Dam was last inspected on November 4, 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.