Wyandotte County Lake Dam

MISSOURI RIVER· Wyandotte, Kansas· Built 1941· Earth· 98 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Wyandotte County Lake Dam is classified as significant hazard in Kansas. It was completed in 1941 and is 85 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 98 ft (taller than 99.8% in KS)
Dam Length1,790 ft
Dam TypeEarth
Max Storage14.7K acre-ft
Normal Storage10.0K acre-ft
Surface Area375 acres
Drainage Area8 sq mi
Max Discharge11,000 cfs
Year Completed1941 (85 years old)
NID IDKS02555

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: Yes
Last Inspection: March 24, 2021
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

WYANDOTTE COUNTY, UNIFIED GOVT OF

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wyandotte County Lake Dam?

Wyandotte County Lake Dam 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 Wyandotte County Lake Dam?

Wyandotte County Lake Dam is owned by WYANDOTTE COUNTY, UNIFIED GOVT OF (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wyandotte County Lake Dam built?

Wyandotte County Lake Dam was completed in 1941, making it 85 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 Wyandotte County Lake Dam?

Wyandotte County Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Wyandotte County Lake Dam?

Wyandotte County Lake Dam has a dam height of 98 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 Wyandotte County Lake Dam last inspected?

Wyandotte County Lake Dam was last inspected on March 24, 2021. 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.