Riverton City - Black Ridge Reservoir

Salt Lake, Utah· Built 2009· Earth·
High Hazard Irrigation Local Government

Key Takeaway

Riverton City - Black Ridge Reservoir is classified as high hazard in Utah. It was completed in 2009 and is 17 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 Length1,281 ft
Dam TypeEarth
Max Storage77 acre-ft
Normal Storage60 acre-ft
Year Completed2009 (17 years old)
NID IDUT53277

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: September 27, 2023
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

RIVERTON CITY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Riverton City - Black Ridge Reservoir?

Riverton City - Black Ridge Reservoir 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 Riverton City - Black Ridge Reservoir?

Riverton City - Black Ridge Reservoir is owned by RIVERTON CITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Riverton City - Black Ridge Reservoir built?

Riverton City - Black Ridge Reservoir was completed in 2009, making it 17 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 Riverton City - Black Ridge Reservoir?

Riverton City - Black Ridge Reservoir 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 Riverton City - Black Ridge Reservoir last inspected?

Riverton City - Black Ridge Reservoir was last inspected on September 27, 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.