Weir Lake

NORTH FORK OF PROVO RIVER· Summit, Utah· Built 1933· Masonry·
Low Hazard Irrigation Private

Key Takeaway

Weir Lake is classified as low hazard in Utah. It was completed in 1933 and is 93 years old. Its primary use is irrigation.

Physical Details

Dam Length182 ft
Dam TypeMasonry
Max Storage116 acre-ft
Normal Storage46 acre-ft
Drainage Area1 sq mi
Year Completed1933 (93 years old)
NID IDUT00318

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: July 28, 2011
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

FOREST SERVICE U.S. KAMAS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Weir Lake?

Weir 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 Weir Lake?

Weir Lake is owned by FOREST SERVICE U.S. KAMAS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Weir Lake built?

Weir Lake was completed in 1933, making it 93 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 Weir Lake?

Weir 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 Weir Lake last inspected?

Weir Lake was last inspected on July 28, 2011. 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.