San Diego-rosita Cks Ws Scs Site 9 Dam
San Diego-rosita Cks Ws Scs Site 9 Dam is an earth dam located in Duval County, Texas, built in 1967. It carries a High hazard potential classification.
About San Diego-rosita Cks Ws Scs Site 9 Dam
The primary purpose of San Diego-rosita Cks Ws Scs Site 9 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Agua Poquita Swcd;duval County (local government). It impounds the Tr-rosita Creek near San Diego.
The dam stands 38 feet tall and stretches 3,380 feet across, creates a reservoir covering 57 acres, has a maximum storage capacity of 5,217 acre-feet, and collects water from a drainage area of 15 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 01/25/2018. That was 8 years ago, which is on the longer end for a high-hazard structure.
At 38 feet, this dam is taller than 85% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Texas dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Duval |
| Nearest City | San Diego |
| River/Stream | Tr-rosita Creek |
| Coordinates | 27.82138, -98.56641 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 3,380 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 5,217 acre-ft |
| Max Storage | 5,217 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 57 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 15,666 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | AGUA POQUITA SWCD;DUVAL COUNTY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 01/25/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX01922 |
| Federal ID | TX01922 |
| More Info | State Dam Safety Program |