Pattaconk Dam #3

PATTACONK BROOK· Middlesex, Connecticut· Earth· 13 ft tall
Significant Hazard Recreation Private

Key Takeaway

Pattaconk Dam #3 is classified as significant hazard in Connecticut. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 13 ft (taller than 50.2% in CT)
Dam Length75 ft
Dam TypeEarth
Max Storage7 acre-ft
Normal Storage6 acre-ft
Surface Area1 acres
Drainage Area8 sq mi
Year Modified1984
NID IDCT00774

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 9, 2014
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

TLB Architecture, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pattaconk Dam #3?

Pattaconk Dam #3 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 Pattaconk Dam #3?

Pattaconk Dam #3 is owned by TLB Architecture, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Pattaconk Dam #3?

Pattaconk Dam #3 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 Pattaconk Dam #3?

Pattaconk Dam #3 has a dam height of 13 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 Pattaconk Dam #3 last inspected?

Pattaconk Dam #3 was last inspected on October 9, 2014. 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.