Trease Dam

TR-BIG SPRINGS CREEK· Antelope, Nebraska· Built 1967· Earth· 15 ft tall
Low Hazard Other Flood Risk Reduction Private

Key Takeaway

Trease Dam is classified as low hazard in Nebraska. It was completed in 1967 and is 59 years old. Its primary use is other.

Physical Details

Dam Height 15 ft (taller than 10.3% in NE)
Dam Length496 ft
Dam TypeEarth
Max Storage87 acre-ft
Normal Storage7 acre-ft
Surface Area3 acres
Drainage Area1 sq mi
Max Discharge547 cfs
Year Completed1967 (59 years old)
NID IDNE00164

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: November 12, 2019
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Henry A & Alta I Mast

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Trease Dam?

Trease 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 Trease Dam?

Trease Dam is owned by Henry A & Alta I Mast (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Trease Dam built?

Trease Dam was completed in 1967, making it 59 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 Trease Dam?

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

How tall is Trease Dam?

Trease Dam has a dam height of 15 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 Trease Dam last inspected?

Trease Dam was last inspected on November 12, 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.