Mathies Sediment Pond No 5

TR MONONGAHELA RIVER· Washington, Pennsylvania· Built 1982· Earth· 33 ft tall
Significant Hazard Other Private

Key Takeaway

Mathies Sediment Pond No 5 is classified as significant hazard in Pennsylvania. It was completed in 1982 and is 44 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 33 ft (taller than 69.3% in PA)
Dam Length175 ft
Dam TypeEarth
Max Storage12 acre-ft
Normal Storage3 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1982 (44 years old)
NID IDPA01364

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: November 15, 2017
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

CANESTRALE ENVIRONMENTAL CONTROL CORP

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mathies Sediment Pond No 5?

Mathies Sediment Pond No 5 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 Mathies Sediment Pond No 5?

Mathies Sediment Pond No 5 is owned by CANESTRALE ENVIRONMENTAL CONTROL CORP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mathies Sediment Pond No 5 built?

Mathies Sediment Pond No 5 was completed in 1982, making it 44 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 Mathies Sediment Pond No 5?

Mathies Sediment Pond No 5 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Mathies Sediment Pond No 5?

Mathies Sediment Pond No 5 has a dam height of 33 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 Mathies Sediment Pond No 5 last inspected?

Mathies Sediment Pond No 5 was last inspected on November 15, 2017. 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.