Mountain Pond Dam

SYMPAUG BROOK TRIB· Fairfield, Connecticut· Built 1901· Earth· 15 ft tall
Significant Hazard Water Supply Local Government

Key Takeaway

Mountain Pond Dam is classified as significant hazard in Connecticut. It was completed in 1901 and is 125 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 15 ft (taller than 58.6% in CT)
Dam Length105 ft
Dam TypeEarth
Max Storage165 acre-ft
Normal Storage87 acre-ft
Surface Area15 acres
Drainage Area0 sq mi
Max Discharge69 cfs
Year Completed1901 (125 years old)
NID IDCT00069

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: September 22, 2016
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Town of Bethel

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mountain Pond Dam?

Mountain 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 Mountain Pond Dam?

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

When was Mountain Pond Dam built?

Mountain Pond Dam was completed in 1901, making it 125 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 Mountain Pond Dam?

Mountain 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 Mountain Pond Dam?

Mountain Pond Dam has a dam height of 15 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 Mountain Pond Dam last inspected?

Mountain Pond Dam was last inspected on September 22, 2016. 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.