Thompson Dam 3520

TR-SAPPA CREEK· Furnas, Nebraska· Built 1960· Earth· 22 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Thompson Dam 3520 is classified as low hazard in Nebraska. It was completed in 1960 and is 66 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 22 ft (taller than 35.8% in NE)
Dam Length375 ft
Dam TypeEarth
Max Storage70 acre-ft
Normal Storage49 acre-ft
Surface Area7 acres
Drainage Area1 sq mi
Year Completed1960 (66 years old)
NID IDNE03520

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: October 19, 2022
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Richard & Julie Thompson

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thompson Dam 3520?

Thompson Dam 3520 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 Thompson Dam 3520?

Thompson Dam 3520 is owned by Richard & Julie Thompson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thompson Dam 3520 built?

Thompson Dam 3520 was completed in 1960, making it 66 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 Thompson Dam 3520?

Thompson Dam 3520 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 Thompson Dam 3520?

Thompson Dam 3520 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.

When was Thompson Dam 3520 last inspected?

Thompson Dam 3520 was last inspected on October 19, 2022. 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.