Fish Lake

DRY FORK OF WEBER RIVER· Summit, Utah· Built 1927· Masonry·
High Hazard Irrigation Private

Key Takeaway

Fish Lake is classified as high hazard in Utah. It was completed in 1927 and is 99 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Length239 ft
Dam TypeMasonry
Max Storage1.3K acre-ft
Normal Storage1.1K acre-ft
Drainage Area1 sq mi
Year Completed1927 (99 years old)
NID IDUT00109

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: July 20, 2023
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

FISH LAKE RESERVOIR COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Fish Lake?

Fish Lake is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Fish Lake?

Fish Lake is owned by FISH LAKE RESERVOIR COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Fish Lake built?

Fish Lake was completed in 1927, making it 99 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 Fish Lake?

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

When was Fish Lake last inspected?

Fish Lake was last inspected on July 20, 2023. 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.