Unruh Reservoir Dam

Tr-Terrell Creek· Whatcom, Washington· Built 1959· Earth·
Low Hazard Irrigation Private

Key Takeaway

Unruh Reservoir Dam is classified as low hazard in Washington. It was completed in 1959 and is 67 years old. Its primary use is irrigation.

Physical Details

Dam Length200 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage18 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge325 cfs
Year Completed1959 (67 years old)
NID IDWA00159

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

BP West Coast Products LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Unruh Reservoir Dam?

Unruh Reservoir Dam 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 Unruh Reservoir Dam?

Unruh Reservoir Dam is owned by BP West Coast Products LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Unruh Reservoir Dam built?

Unruh Reservoir Dam was completed in 1959, making it 67 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 Unruh Reservoir Dam?

Unruh Reservoir Dam serves the following purposes: Irrigation. 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.