Pine Valley Reservoir

SANTA CLARA RIVER· Washington, Utah· Built 1934· Earth· 36 ft tall
Significant Hazard Recreation Fish And Wildlife Pond Federal Government

Key Takeaway

Pine Valley Reservoir is classified as significant hazard in Utah. It was completed in 1934 and is 92 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 36 ft (taller than 52.9% in UT)
Dam Length590 ft
Dam TypeEarth
Max Storage112 acre-ft
Normal Storage50 acre-ft
Surface Area5 acres
Drainage Area15 sq mi
Max Discharge1,856 cfs
Year Completed1934 (92 years old)
NID IDUT10102

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
Last Inspection: April 3, 2019
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

USDA FS

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pine Valley Reservoir?

Pine Valley Reservoir is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Pine Valley Reservoir?

Pine Valley Reservoir is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pine Valley Reservoir built?

Pine Valley Reservoir was completed in 1934, making it 92 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 Pine Valley Reservoir?

Pine Valley Reservoir serves the following purposes: Recreation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Pine Valley Reservoir?

Pine Valley Reservoir has a dam height of 36 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 Pine Valley Reservoir last inspected?

Pine Valley Reservoir was last inspected on April 3, 2019. 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.