Multnomanh Channel Dam #2

TRIB/COLUMBIA RIVER· Multnomah, Oregon· 12 ft tall
Low Hazard Private

Key Takeaway

Multnomanh Channel Dam #2 is classified as low hazard in Oregon.

Physical Details

Dam Height 12 ft (taller than 7.2% in OR)
Dam Length0 ft
Max Storage0 acre-ft
Normal Storage240 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge0 cfs
NID IDOR03823

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: December 7, 2016
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

METRO PARKS & GREENSPACES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Multnomanh Channel Dam #2?

Multnomanh Channel Dam #2 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 Multnomanh Channel Dam #2?

Multnomanh Channel Dam #2 is owned by METRO PARKS & GREENSPACES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Multnomanh Channel Dam #2?

Multnomanh Channel Dam #2 has a dam height of 12 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 Multnomanh Channel Dam #2 last inspected?

Multnomanh Channel Dam #2 was last inspected on December 7, 2016. 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.