Port of Morrow Wwt Lagoon

OFF CHANNEL· Morrow, Oregon· Built 1994· Earth· 20 ft tall
Low Hazard Irrigation Local Government

Key Takeaway

Port of Morrow Wwt Lagoon is classified as low hazard in Oregon. It was completed in 1994 and is 32 years old. Its primary use is irrigation.

Physical Details

Dam Height 20 ft (taller than 30% in OR)
Dam Length0 ft
Dam TypeEarth
Max Storage0 acre-ft
Normal Storage436 acre-ft
Surface Area39 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1994 (32 years old)
NID IDOR03743

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: April 1, 2015
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

PORT OF MORROW ATTN: RON MCKINNIS

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Port of Morrow Wwt Lagoon?

Port of Morrow Wwt 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 Port of Morrow Wwt Lagoon?

Port of Morrow Wwt Lagoon is owned by PORT OF MORROW ATTN: RON MCKINNIS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Port of Morrow Wwt Lagoon built?

Port of Morrow Wwt Lagoon was completed in 1994, making it 32 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 Port of Morrow Wwt Lagoon?

Port of Morrow Wwt Lagoon serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Port of Morrow Wwt Lagoon?

Port of Morrow Wwt Lagoon has a dam height of 20 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 Port of Morrow Wwt Lagoon last inspected?

Port of Morrow Wwt Lagoon was last inspected on April 1, 2015. 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.