Colville Wastewater Lagoons

Colville R. - offstream· Stevens, Washington· Built 1967· Earth·
Low Hazard Other Local Government

Key Takeaway

Colville Wastewater Lagoons is classified as low hazard in Washington. It was completed in 1967 and is 59 years old. Its primary use is other.

Physical Details

Dam Length5,400 ft
Dam TypeEarth
Max Storage260 acre-ft
Normal Storage175 acre-ft
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1967 (59 years old)
NID IDWA01878

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: March 11, 2024
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Colville City

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Colville Wastewater Lagoons?

Colville Wastewater Lagoons is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Colville Wastewater Lagoons?

Colville Wastewater Lagoons is owned by Colville City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Colville Wastewater Lagoons built?

Colville Wastewater Lagoons was completed in 1967, making it 59 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 Colville Wastewater Lagoons?

Colville Wastewater Lagoons 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 Colville Wastewater Lagoons last inspected?

Colville Wastewater Lagoons was last inspected on March 11, 2024. 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.