Pomona Dam

HUNDRED TEN MILE CREEK· Osage, Kansas· Built 1963· Rockfill·

Key Takeaway

Pomona Dam is classified as high hazard in Kansas. It was completed in 1963 and is 63 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 Length7,750 ft
Dam TypeRockfill
Max Storage254.6K acre-ft
Normal Storage70.6K acre-ft
Surface Area4,000 acres
Drainage Area322 sq mi
Max Discharge50,300 cfs
Year Completed1963 (63 years old)
NID IDKS00010

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: March 11, 2022
State Regulated: No

Ownership

USACE - Kansas City District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pomona Dam?

Pomona Dam 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 Pomona Dam?

Pomona Dam is owned by USACE - Kansas City District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pomona Dam built?

Pomona Dam was completed in 1963, making it 63 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 Pomona Dam?

Pomona Dam serves the following purposes: Flood Risk Reduction, Other, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Pomona Dam last inspected?

Pomona Dam was last inspected on March 11, 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.