Paterson Lake

BLACKS FORK RIVER· Uinta, Wyoming· Built 1907· Earth· 14 ft tall
Low Hazard Irrigation Private

Key Takeaway

Paterson Lake is classified as low hazard in Wyoming. It was completed in 1907 and is 119 years old. Its primary use is irrigation.

Physical Details

Dam Height 14 ft (taller than 8.9% in WY)
Dam Length1,650 ft
Dam TypeEarth
Max Storage1.6K acre-ft
Normal Storage1.2K acre-ft
Surface Area200 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1907 (119 years old)
NID IDWY01248

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
Last Inspection: May 24, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

JOHN L. & CHERYL EYRE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Paterson Lake?

Paterson Lake 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 Paterson Lake?

Paterson Lake is owned by JOHN L. & CHERYL EYRE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Paterson Lake built?

Paterson Lake was completed in 1907, making it 119 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 Paterson Lake?

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

How tall is Paterson Lake?

Paterson Lake has a dam height of 14 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.

When was Paterson Lake last inspected?

Paterson Lake was last inspected on May 24, 2021. 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.