Geiser Dam

TR-HAT CREEK· Sioux, Nebraska· Built 1940· Earth· 13 ft tall
Low Hazard Irrigation Private

Key Takeaway

Geiser Dam is classified as low hazard in Nebraska. It was completed in 1940 and is 86 years old. Its primary use is irrigation.

Physical Details

Dam Height 13 ft (taller than 5.4% in NE)
Dam Length455 ft
Dam TypeEarth
Max Storage57 acre-ft
Normal Storage28 acre-ft
Surface Area7 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1940 (86 years old)
NID IDNE02098

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 9, 2023
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

John W Jr. & Sandra J Geiser Trustees

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Geiser Dam?

Geiser 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 Geiser Dam?

Geiser Dam is owned by John W Jr. & Sandra J Geiser Trustees (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Geiser Dam built?

Geiser Dam was completed in 1940, making it 86 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 Geiser Dam?

Geiser Dam 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 Geiser Dam?

Geiser Dam has a dam height of 13 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 Geiser Dam last inspected?

Geiser Dam was last inspected on May 9, 2023. 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.