Spectacle Lake Dike

OKANOGAN RIVER - OFFSTREAM· Okanogan, Washington· Built 1969· Earth· 25 ft tall
Low Hazard Irrigation Recreation Federal Government

Key Takeaway

Spectacle Lake Dike is classified as low hazard in Washington. It was completed in 1969 and is 57 years old. Its primary use is irrigation.

Physical Details

Dam Height 25 ft (taller than 33.7% in WA)
Dam Length1,100 ft
Dam TypeEarth
Max Storage14.1K acre-ft
Normal Storage13.5K acre-ft
Surface Area399 acres
Drainage Area5 sq mi
Year Completed1969 (57 years old)
NID IDWA00272

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: No

Ownership

RECLAMATION

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Spectacle Lake Dike?

Spectacle Lake Dike 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 Spectacle Lake Dike?

Spectacle Lake Dike is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Spectacle Lake Dike built?

Spectacle Lake Dike was completed in 1969, making it 57 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 Spectacle Lake Dike?

Spectacle Lake Dike serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Spectacle Lake Dike?

Spectacle Lake Dike has a dam height of 25 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.