Koy Dam

TR-BULLINGER CREEK· Austin, Texas· Built 1979· Earth· 23 ft tall

Key Takeaway

Koy Dam is classified as low hazard in Texas. It was completed in 1979 and is 47 years old. Its primary use is recreation.

Physical Details

Dam Height 23 ft (taller than 44.9% in TX)
Dam Length751 ft
Dam TypeEarth
Max Storage124 acre-ft
Normal Storage76 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1979 (47 years old)
NID IDTX06586

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: Yes
Regulatory Agency: TCEQ

Ownership

FRANK KOY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Koy Dam?

Koy 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 Koy Dam?

Koy Dam is owned by FRANK KOY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Koy Dam built?

Koy Dam was completed in 1979, making it 47 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 Koy Dam?

Koy Dam serves the following purposes: Recreation, 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 Koy Dam?

Koy Dam has a dam height of 23 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.