Cow Hill Tank Dam

TR-GALLINA SLOUGH· Zavala, Texas· Built 1971· Earth· 11 ft tall

Key Takeaway

Cow Hill Tank Dam is classified as low hazard in Texas. It was completed in 1971 and is 55 years old. Its primary use is fire protection.

Physical Details

Dam Height 11 ft (taller than 6.1% in TX)
Dam Length1,500 ft
Dam TypeEarth
Max Storage126 acre-ft
Normal Storage54 acre-ft
Surface Area18 acres
Drainage Area0 sq mi
Year Completed1971 (55 years old)
NID IDTX05581

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
State Regulated: No

Ownership

ED CASSIN JR

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cow Hill Tank Dam?

Cow Hill Tank 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 Cow Hill Tank Dam?

Cow Hill Tank Dam is owned by ED CASSIN JR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cow Hill Tank Dam built?

Cow Hill Tank Dam was completed in 1971, making it 55 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 Cow Hill Tank Dam?

Cow Hill Tank Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Cow Hill Tank Dam?

Cow Hill Tank Dam has a dam height of 11 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.

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.