Ogden City - Sullivan Hollow

SULLIVAN HOLLOW· Weber, Utah· Built 1974· Earth·
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Ogden City - Sullivan Hollow is classified as high hazard in Utah. It was completed in 1974 and is 52 years old. Its primary use is flood risk reduction. 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 Length405 ft
Dam TypeEarth
Max Storage21 acre-ft
Normal Storage19 acre-ft
Drainage Area4 sq mi
Year Completed1974 (52 years old)
NID IDUT00505

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 7, 2022
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

OGDEN CITY ENGINEERING DEPARTMENT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ogden City - Sullivan Hollow?

Ogden City - Sullivan Hollow 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 Ogden City - Sullivan Hollow?

Ogden City - Sullivan Hollow is owned by OGDEN CITY ENGINEERING DEPARTMENT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ogden City - Sullivan Hollow built?

Ogden City - Sullivan Hollow was completed in 1974, making it 52 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 Ogden City - Sullivan Hollow?

Ogden City - Sullivan Hollow serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Ogden City - Sullivan Hollow last inspected?

Ogden City - Sullivan Hollow was last inspected on September 7, 2022. 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.