Sundstrom Dam No 1

Tr-False Bay· San Juan, Washington· Built 1970· Earth·

Key Takeaway

Sundstrom Dam No 1 is classified as low hazard in Washington. It was completed in 1970 and is 56 years old. Its primary use is irrigation.

Physical Details

Dam Length220 ft
Dam TypeEarth
Max Storage60 acre-ft
Normal Storage40 acre-ft
Surface Area40 acres
Drainage Area0 sq mi
Max Discharge13 cfs
Year Completed1970 (56 years old)
NID IDWA01115

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

Wilson, Bob

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sundstrom Dam No 1?

Sundstrom Dam No 1 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 Sundstrom Dam No 1?

Sundstrom Dam No 1 is owned by Wilson, Bob (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sundstrom Dam No 1 built?

Sundstrom Dam No 1 was completed in 1970, making it 56 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 Sundstrom Dam No 1?

Sundstrom Dam No 1 serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond. 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.