Semler Dam

TR-MIDDLE LOUP RIVER· Custer, Nebraska· Built 1978· Earth· 54 ft tall
Significant Hazard Irrigation Local Government

Key Takeaway

Semler Dam is classified as significant hazard in Nebraska. It was completed in 1978 and is 48 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 54 ft (taller than 97.6% in NE)
Dam Length722 ft
Dam TypeEarth
Max Storage2.8K acre-ft
Normal Storage400 acre-ft
Surface Area44 acres
Drainage Area2 sq mi
Max Discharge50 cfs
Year Completed1978 (48 years old)
NID IDNE00732

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: April 13, 2022
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Farwell Irrigation District

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Semler Dam?

Semler Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Semler Dam?

Semler Dam is owned by Farwell Irrigation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Semler Dam built?

Semler Dam was completed in 1978, making it 48 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 Semler Dam?

Semler 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 Semler Dam?

Semler Dam has a dam height of 54 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 Semler Dam last inspected?

Semler Dam was last inspected on April 13, 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.