Sunriver Effluent Lagoon

OFF CHANNEL· Deschutes, Oregon· Built 1998· Earth· 30 ft tall
High Hazard Other Private

Key Takeaway

Sunriver Effluent Lagoon is classified as high hazard in Oregon. It was completed in 1998 and is 28 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 Height 30 ft (taller than 58.4% in OR)
Dam TypeEarth
Max Storage244 acre-ft
Normal Storage202 acre-ft
Surface Area13 acres
Year Completed1998 (28 years old)
NID IDOR03790

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: October 21, 2020
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

SUNRIVER UTILITIES COMPANY, INC.

Private

Frequently Asked Questions

What is the hazard classification of Sunriver Effluent Lagoon?

Sunriver Effluent Lagoon 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 Sunriver Effluent Lagoon?

Sunriver Effluent Lagoon is owned by SUNRIVER UTILITIES COMPANY, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sunriver Effluent Lagoon built?

Sunriver Effluent 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 Sunriver Effluent Lagoon?

Sunriver Effluent Lagoon serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sunriver Effluent Lagoon?

Sunriver Effluent Lagoon has a dam height of 30 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Sunriver Effluent Lagoon last inspected?

Sunriver Effluent Lagoon was last inspected on October 21, 2020. 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.