Horning-Festler Detention

Cannon River-OS· Rice, Minnesota· Built 1977· Earth· 26 ft tall
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Horning-Festler Detention is classified as significant hazard in Minnesota. It was completed in 1977 and is 49 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 26 ft (taller than 74.2% in MN)
Dam Length513 ft
Dam TypeEarth
Max Storage44 acre-ft
Normal Storage1 acre-ft
Surface Area1 acres
Drainage Area1 sq mi
Max Discharge617 cfs
Year Completed1977 (49 years old)
NID IDMN00870

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: May 4, 2023
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

Festler, John & Karen

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Horning-Festler Detention?

Horning-Festler Detention 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 Horning-Festler Detention?

Horning-Festler Detention is owned by Festler, John & Karen (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Horning-Festler Detention built?

Horning-Festler Detention was completed in 1977, making it 49 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 Horning-Festler Detention?

Horning-Festler Detention 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.

How tall is Horning-Festler Detention?

Horning-Festler Detention has a dam height of 26 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 Horning-Festler Detention last inspected?

Horning-Festler Detention was last inspected on May 4, 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.