Robison Dam

TR-NORTH FORK BIG NEMAHA RIVER· Johnson, Nebraska· Built 2023· Earth· 22 ft tall
Low Hazard Irrigation Flood Risk Reduction Private

Key Takeaway

Robison Dam is classified as low hazard in Nebraska. It was completed in 2023 and is 3 years old. Its primary use is irrigation.

Physical Details

Dam Height 22 ft (taller than 35.8% in NE)
Dam Length735 ft
Dam TypeEarth
Max Storage70 acre-ft
Normal Storage34 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge45 cfs
Year Completed2023 (3 years old)
NID IDNE10014

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
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Benjamin J M Robison

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Robison Dam?

Robison 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 Robison Dam?

Robison Dam is owned by Benjamin J M Robison (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Robison Dam built?

Robison Dam was completed in 2023, making it 3 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 Robison Dam?

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

How tall is Robison Dam?

Robison Dam has a dam height of 22 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.

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.