Niobrara S Park Dam

TR-NIOBRARA RIVER· Knox, Nebraska· Built 2002· Earth· 55 ft tall
Low Hazard Other Flood Risk Reduction State Government

Key Takeaway

Niobrara S Park Dam is classified as low hazard in Nebraska. It was completed in 2002 and is 24 years old. Its primary use is other.

Physical Details

Dam Height 55 ft (taller than 97.9% in NE)
Dam Length748 ft
Dam TypeEarth
Max Storage158 acre-ft
Normal Storage61 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
Max Discharge3,346 cfs
Year Completed2002 (24 years old)
NID IDNE02659

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: April 22, 2020
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Nebraska Game & Parks Commission

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Niobrara S Park Dam?

Niobrara S Park Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Niobrara S Park Dam?

Niobrara S Park Dam is owned by Nebraska Game & Parks Commission (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Niobrara S Park Dam built?

Niobrara S Park Dam was completed in 2002, making it 24 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 Niobrara S Park Dam?

Niobrara S Park Dam serves the following purposes: Other, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Niobrara S Park Dam?

Niobrara S Park Dam has a dam height of 55 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 Niobrara S Park Dam last inspected?

Niobrara S Park Dam was last inspected on April 22, 2020. 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.