Anderson Dam 809

TR-NIOBRARA RIVER· Dawes, Nebraska· Built 1950· Earth· 23 ft tall
Low Hazard Irrigation Private

Key Takeaway

Anderson Dam 809 is classified as low hazard in Nebraska. It was completed in 1950 and is 76 years old. Its primary use is irrigation.

Physical Details

Dam Height 23 ft (taller than 39.7% in NE)
Dam Length700 ft
Dam TypeEarth
Max Storage373 acre-ft
Normal Storage167 acre-ft
Surface Area28 acres
Drainage Area21 sq mi
Max Discharge3,190 cfs
Year Completed1950 (76 years old)
NID IDNE00809

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: September 24, 2019
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Louis & Glenda Carlson Life ES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Anderson Dam 809?

Anderson Dam 809 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 Anderson Dam 809?

Anderson Dam 809 is owned by Louis & Glenda Carlson Life ES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Anderson Dam 809 built?

Anderson Dam 809 was completed in 1950, making it 76 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 Anderson Dam 809?

Anderson Dam 809 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Anderson Dam 809?

Anderson Dam 809 has a dam height of 23 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 Anderson Dam 809 last inspected?

Anderson Dam 809 was last inspected on September 24, 2019. 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.