Tehuacana Creek WS SCS Site 15 Dam

POST OAK CREEK· McLennan, Texas· Built 1969· Earth· 38 ft tall

Key Takeaway

Tehuacana Creek WS SCS Site 15 Dam is classified as high hazard in Texas. It was completed in 1969 and is 57 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 38 ft (taller than 82.5% in TX)
Dam Length7,890 ft
Dam TypeEarth
Max Storage4.4K acre-ft
Normal Storage200 acre-ft
Surface Area47 acres
Drainage Area6 sq mi
Max Discharge6,226 cfs
Year Completed1969 (57 years old)
NID IDTX04104

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: January 24, 2017
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

MCLENNAN COUNTY;MCLENNAN COUNTY SWCD;MCLENNAN HILL COUNTIES TEHUACANA CREEK WCID 1

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tehuacana Creek WS SCS Site 15 Dam?

Tehuacana Creek WS SCS Site 15 Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Tehuacana Creek WS SCS Site 15 Dam?

Tehuacana Creek WS SCS Site 15 Dam is owned by MCLENNAN COUNTY;MCLENNAN COUNTY SWCD;MCLENNAN HILL COUNTIES TEHUACANA CREEK WCID 1 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tehuacana Creek WS SCS Site 15 Dam built?

Tehuacana Creek WS SCS Site 15 Dam was completed in 1969, making it 57 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 Tehuacana Creek WS SCS Site 15 Dam?

Tehuacana Creek WS SCS Site 15 Dam serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tehuacana Creek WS SCS Site 15 Dam?

Tehuacana Creek WS SCS Site 15 Dam has a dam height of 38 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 Tehuacana Creek WS SCS Site 15 Dam last inspected?

Tehuacana Creek WS SCS Site 15 Dam was last inspected on January 24, 2017. 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.