Thomas Meeting Detention Basin

TR VALLEY CREEK· Chester, Pennsylvania· Built 1990· Earth· 5 ft tall
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Thomas Meeting Detention Basin is classified as significant hazard in Pennsylvania. It was completed in 1990 and is 36 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 5 ft (taller than 0.1% in PA)
Dam Length750 ft
Dam TypeEarth
Max Storage11 acre-ft
Normal Storage5 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Year Completed1990 (36 years old)
NID IDPA01415

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: March 26, 2019
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

THOMAS MEETING ASSOCIATES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thomas Meeting Detention Basin?

Thomas Meeting Detention Basin 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 Thomas Meeting Detention Basin?

Thomas Meeting Detention Basin is owned by THOMAS MEETING ASSOCIATES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thomas Meeting Detention Basin built?

Thomas Meeting Detention Basin was completed in 1990, making it 36 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 Thomas Meeting Detention Basin?

Thomas Meeting Detention Basin serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Thomas Meeting Detention Basin?

Thomas Meeting Detention Basin has a dam height of 5 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 Thomas Meeting Detention Basin last inspected?

Thomas Meeting Detention Basin was last inspected on March 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.