Conroe Dam
Key Takeaway
Conroe Dam is classified as high hazard in Texas. It was completed in 1973 and is 53 years old. Its primary use is irrigation. 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 | 82 ft (taller than 98.8% in TX) |
| Dam Length | 11,800 ft |
| Dam Type | Earth |
| Max Storage | 707.0K acre-ft |
| Normal Storage | 416.2K acre-ft |
| Surface Area | 20,118 acres |
| Drainage Area | 444 sq mi |
| Max Discharge | 247,247 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | TX00097 |
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
SAN JACINTO RIVER AUTHORITY
Local Government
Nearby Dams
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High Hazard 17 ftRushing Springs Lake Dam
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High Hazard 31 ftLake Conroe Forest Dam
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High Hazard 22 ftLake Forest Dam
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High Hazard 17 ftFish Creek Dam No 1
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High Hazard 26 ftLake Bonanza Dam
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Significant Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Conroe Dam?
Conroe 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 Conroe Dam?
Conroe Dam is owned by SAN JACINTO RIVER AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Conroe Dam built?
Conroe Dam was completed in 1973, making it 53 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 Conroe Dam?
Conroe Dam serves the following purposes: Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Conroe Dam?
Conroe Dam has a dam height of 82 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 Conroe Dam last inspected?
Conroe Dam was last inspected on October 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.