Sylvia Lake Dam Pierce Co

Tr-Puget Sound· Pierce, Washington· Built 1963· Earth·
Significant Hazard Recreation Private

Key Takeaway

Sylvia Lake Dam Pierce Co is classified as significant hazard in Washington. It was completed in 1963 and is 63 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length390 ft
Dam TypeEarth
Max Storage142 acre-ft
Normal Storage60 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
Max Discharge160 cfs
Year Completed1963 (63 years old)
NID IDWA00115

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: July 10, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Sylvia Lake Country Club

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sylvia Lake Dam Pierce Co?

Sylvia Lake Dam Pierce Co 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 Sylvia Lake Dam Pierce Co?

Sylvia Lake Dam Pierce Co is owned by Sylvia Lake Country Club (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sylvia Lake Dam Pierce Co built?

Sylvia Lake Dam Pierce Co was completed in 1963, making it 63 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 Sylvia Lake Dam Pierce Co?

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

When was Sylvia Lake Dam Pierce Co last inspected?

Sylvia Lake Dam Pierce Co was last inspected on July 10, 2023. 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.