Sand Dunes Wastewater Lagoon Dam

Morrow, Oregon· 35 ft tall
Significant Hazard Local Government

Key Takeaway

Sand Dunes Wastewater Lagoon Dam is classified as significant hazard in Oregon. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 35 ft (taller than 69.6% in OR)
Max Storage1.3K acre-ft
Normal Storage1.1K acre-ft
NID IDOR04075

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
State Regulated: Yes

Ownership

PORT OF MORROW

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sand Dunes Wastewater Lagoon Dam?

Sand Dunes Wastewater Lagoon Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Sand Dunes Wastewater Lagoon Dam?

Sand Dunes Wastewater Lagoon Dam is owned by PORT OF MORROW (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Sand Dunes Wastewater Lagoon Dam?

Sand Dunes Wastewater Lagoon Dam has a dam height of 35 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.

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.