Rock Creek 11-A

TR-ROCK CREEK· Pawnee, Nebraska· Built 1969· Earth· 34 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Rock Creek 11-A is classified as low hazard in Nebraska. It was completed in 1969 and is 57 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 34 ft (taller than 79.7% in NE)
Dam Length770 ft
Dam TypeEarth
Max Storage401 acre-ft
Normal Storage59 acre-ft
Surface Area10 acres
Drainage Area1 sq mi
Max Discharge1,016 cfs
Year Completed1969 (57 years old)
NID IDNE00778

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: May 6, 2021
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Nemaha Natural Resources District

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rock Creek 11-A?

Rock Creek 11-A 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 Rock Creek 11-A?

Rock Creek 11-A is owned by Nemaha Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rock Creek 11-A built?

Rock Creek 11-A was completed in 1969, making it 57 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 Rock Creek 11-A?

Rock Creek 11-A 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 Rock Creek 11-A?

Rock Creek 11-A has a dam height of 34 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 Rock Creek 11-A last inspected?

Rock Creek 11-A was last inspected on May 6, 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.