Waitt Lk Valley Sewage Treatment Lagoon

Colville River - Offstream· Stevens, Washington· Built 1998· Earth·
Low Hazard Other Local Government

Key Takeaway

Waitt Lk Valley Sewage Treatment Lagoon is classified as low hazard in Washington. It was completed in 1998 and is 28 years old. Its primary use is other.

Physical Details

Dam Length2,170 ft
Dam TypeEarth
Max Storage109 acre-ft
Normal Storage78 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1998 (28 years old)
Year Modified1997
NID IDWA01783

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
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Stevens County PUD #1

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Waitt Lk Valley Sewage Treatment Lagoon?

Waitt Lk Valley Sewage Treatment Lagoon 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 Waitt Lk Valley Sewage Treatment Lagoon?

Waitt Lk Valley Sewage Treatment Lagoon is owned by Stevens County PUD #1 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Waitt Lk Valley Sewage Treatment Lagoon built?

Waitt Lk Valley Sewage Treatment Lagoon was completed in 1998, making it 28 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 Waitt Lk Valley Sewage Treatment Lagoon?

Waitt Lk Valley Sewage Treatment Lagoon serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

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.