San Isidro Detention Pond No 3 Dam, located in Webb County, Texas, is a crucial structure designed for flood risk reduction along the Las Manadas Creek.
Wind
Humidity
Owned by the local government and a private entity, the dam stands at a height of 18 feet and has a length of 250 feet, with a storage capacity of 150 acre-feet. The dam, primarily made of earth with a buttress core type, serves the purpose of mitigating flood risks and protecting the surrounding areas from potential inundation.
Managed and regulated by the Texas Commission on Environmental Quality (TCEQ), the dam underwent modifications in 2005 and has two uncontrolled outlet gates. Its spillway, with a width of 193 feet, can handle a maximum discharge of 3,184 cubic feet per second. Despite being rated as "Not Available" in terms of hazard potential and condition assessment, the dam poses a moderate risk level (3) according to risk assessment standards. Emergency action plans and risk management measures for the dam are yet to be fully detailed, emphasizing the need for ongoing monitoring and preparedness in case of potential emergencies.
With its strategic location and critical role in flood risk management, San Isidro Detention Pond No 3 Dam stands as a vital infrastructure ensuring the safety and protection of the surrounding community. As a part of the Galveston District, the dam's design and functionality contribute to the overall resilience of the region against potential water-related challenges, making it a significant asset for water resource and climate enthusiasts to study and appreciate.
Years Modified |
2005 - Other |
Dam Length |
250 |
Dam Height |
18 |
River Or Stream |
LAS MANADAS CREEK |
Primary Dam Type |
Earth |
Surface Area |
9.8 |
Hydraulic Height |
18 |
Drainage Area |
1.7 |
Nid Storage |
150 |
Structural Height |
18 |
Outlet Gates |
Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
18 |
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