Martinez Creek WS SCS Site 4 Dam
Key Takeaway
Martinez Creek WS SCS Site 4 Dam is classified as high hazard in Texas. It was completed in 1964 and is 62 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 | 36 ft (taller than 79.5% in TX) |
| Dam Length | 2,132 ft |
| Dam Type | Earth |
| Max Storage | 1.6K acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 11,534 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | TX01466 |
Safety Information
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?
Ownership
ALAMO SWCD;SAN ANTONIO RIVER AUTHORITY
Local Government
Nearby Dams
Army Residence Community Dam
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High Hazard 14 ftMartinez Creek WS SCS Site 5 Dam
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High Hazard 40 ftMartinez Creek WS SCS Site 1 Dam
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High Hazard 43 ftMartinez Creek WS SCS Site 6a Dam
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High Hazard 36 ftHarmark Lake Dam
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Low Hazard 18 ftMartinez Creek WS SCS Site 2 Dam
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High Hazard 33 ftCrea Brothers Lake Dam
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Low Hazard 18 ftMartinez Creek WS SCS Site 3 Dam
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High Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Martinez Creek WS SCS Site 4 Dam?
Martinez Creek WS SCS Site 4 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 Martinez Creek WS SCS Site 4 Dam?
Martinez Creek WS SCS Site 4 Dam is owned by ALAMO SWCD;SAN ANTONIO RIVER AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Martinez Creek WS SCS Site 4 Dam built?
Martinez Creek WS SCS Site 4 Dam was completed in 1964, making it 62 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 Martinez Creek WS SCS Site 4 Dam?
Martinez Creek WS SCS Site 4 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Martinez Creek WS SCS Site 4 Dam?
Martinez Creek WS SCS Site 4 Dam has a dam height of 36 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 Martinez Creek WS SCS Site 4 Dam last inspected?
Martinez Creek WS SCS Site 4 Dam was last inspected on April 13, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.