Oak Harbor Wastewater Lagoon Nw Cell

Tr-Crescent Harbor-Offstream· Island, Washington· Built 1990· Earth·
Low Hazard Other Federal Government

Key Takeaway

Oak Harbor Wastewater Lagoon Nw Cell is classified as low hazard in Washington. It was completed in 1990 and is 36 years old. Its primary use is other.

Physical Details

Dam Length2,700 ft
Dam TypeEarth
Max Storage60 acre-ft
Normal Storage50 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge1 cfs
Year Completed1990 (36 years old)
NID IDWA00595

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

US DOD - Naval Air Station Whidbey Island

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Oak Harbor Wastewater Lagoon Nw Cell?

Oak Harbor Wastewater Lagoon Nw Cell 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 Oak Harbor Wastewater Lagoon Nw Cell?

Oak Harbor Wastewater Lagoon Nw Cell is owned by US DOD - Naval Air Station Whidbey Island (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Oak Harbor Wastewater Lagoon Nw Cell built?

Oak Harbor Wastewater Lagoon Nw Cell was completed in 1990, making it 36 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 Oak Harbor Wastewater Lagoon Nw Cell?

Oak Harbor Wastewater Lagoon Nw Cell 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.