Deer Park Wastewater Storage Lagoon No

Tr-Dragoon Creek· Spokane, Washington· Built 1997· Earth·
High Hazard Other Local Government

Key Takeaway

Deer Park Wastewater Storage Lagoon No is classified as high hazard in Washington. It was completed in 1997 and is 29 years old. Its primary use is other. 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 Length2,183 ft
Dam TypeEarth
Max Storage94 acre-ft
Normal Storage67 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1997 (29 years old)
Year Modified2018
NID IDWA00655

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: Yes
Last Inspection: July 6, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Deer Park City

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Deer Park Wastewater Storage Lagoon No?

Deer Park Wastewater Storage Lagoon No 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 Deer Park Wastewater Storage Lagoon No?

Deer Park Wastewater Storage Lagoon No is owned by Deer Park City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Deer Park Wastewater Storage Lagoon No built?

Deer Park Wastewater Storage Lagoon No was completed in 1997, making it 29 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 Deer Park Wastewater Storage Lagoon No?

Deer Park Wastewater Storage Lagoon No serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Deer Park Wastewater Storage Lagoon No last inspected?

Deer Park Wastewater Storage Lagoon No was last inspected on July 6, 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.