Mcalister Ranch Dam No 4

ONION CREEK· Hays, Texas· Built 1975· Concrete· 17 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Mcalister Ranch Dam No 4 is classified as significant hazard in Texas. It was completed in 1975 and is 51 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 17 ft (taller than 23.1% in TX)
Dam Length0 ft
Dam TypeConcrete
Max Storage56 acre-ft
Normal Storage31 acre-ft
Surface Area5 acres
Drainage Area3 sq mi
Max Discharge11,000 cfs
Year Completed1975 (51 years old)
NID IDTX06568

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: Yes
Last Inspection: March 31, 2009
State Regulated: No

Ownership

LONGHORN RIVER RANCH LTD

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mcalister Ranch Dam No 4?

Mcalister Ranch Dam No 4 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 Mcalister Ranch Dam No 4?

Mcalister Ranch Dam No 4 is owned by LONGHORN RIVER RANCH LTD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mcalister Ranch Dam No 4 built?

Mcalister Ranch Dam No 4 was completed in 1975, making it 51 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 Mcalister Ranch Dam No 4?

Mcalister Ranch Dam No 4 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 Mcalister Ranch Dam No 4?

Mcalister Ranch Dam No 4 has a dam height of 17 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 Mcalister Ranch Dam No 4 last inspected?

Mcalister Ranch Dam No 4 was last inspected on March 31, 2009. 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.