Parker Reservoir Dam

Tr-Wide Hollow Creek· Yakima, Washington· Built 1955· Earth·
High Hazard Irrigation Recreation Private

Key Takeaway

Parker Reservoir Dam is classified as high hazard in Washington. It was completed in 1955 and is 71 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Length340 ft
Dam TypeEarth
Max Storage54 acre-ft
Normal Storage46 acre-ft
Surface Area5 acres
Drainage Area1 sq mi
Max Discharge570 cfs
Year Completed1955 (71 years old)
NID IDWA00287

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 28, 2017
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Justin Bolt

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Parker Reservoir Dam?

Parker Reservoir Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Parker Reservoir Dam?

Parker Reservoir Dam is owned by Justin Bolt (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Parker Reservoir Dam built?

Parker Reservoir Dam was completed in 1955, making it 71 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 Parker Reservoir Dam?

Parker Reservoir Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Parker Reservoir Dam last inspected?

Parker Reservoir Dam was last inspected on June 28, 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.