San Diego-rosita Cks Ws Scs Site 2 Dam is an earth dam located in Duval County, Texas, built in 1961. It carries a Significant hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 5,400 ft long, taller than 72% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About San Diego-rosita Cks Ws Scs Site 2 Dam
The primary purpose of San Diego-rosita Cks Ws Scs Site 2 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 San Diego Creek near San Diego.
The dam stands 31 feet tall and stretches 5,400 feet across, creates a reservoir covering 69 acres, has a maximum storage capacity of 7,630 acre-feet, and collects water from a drainage area of 19 square miles. Completed in 1961, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 03/07/2024.
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Location
| State | Texas |
| County | Duval |
| Nearest City | San Diego |
| River/Stream | San Diego Creek |
| Coordinates | 27.90725, -98.36452 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 5,400 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 7,630 acre-ft |
| Max Storage | 7,630 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 69 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 5,010 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Agua Poquita Swcd;duval County |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 03/07/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX01939 |
| Federal ID | TX01939 |
| More Info | State Dam Safety Program |