Leona River Ws Scs Site 3 Dam
Leona River Ws Scs Site 3 Dam is an earth dam located in Uvalde County, Texas, built in 1983. It carries a High hazard potential classification.
About Leona River Ws Scs Site 3 Dam
The primary purpose of Leona River Ws Scs Site 3 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 Edwards Aquifer Authority;nueces Frio Sabinal Swcd;uvalde County (local government). It impounds the Leona River.
The dam stands 45 feet tall and stretches 3,750 feet across, creates a reservoir covering 86 acres, has a maximum storage capacity of 21,306 acre-feet, and collects water from a drainage area of 37 square miles. Completed in 1983, the structure is 43 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 03/23/2017. That was 9 years ago, which is on the longer end for a high-hazard structure.
At 45 feet, this dam is taller than 91% 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 | Uvalde |
| River/Stream | Leona River |
| Coordinates | 29.29469, -99.76867 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 3,750 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 21,306 acre-ft |
| Max Storage | 21,306 acre-ft |
| Normal Storage | 185 acre-ft |
| Surface Area | 86 acres |
| Drainage Area | 37 sq mi |
| Max Discharge | 54,465 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | EDWARDS AQUIFER AUTHORITY;NUECES FRIO SABINAL SWCD;UVALDE COUNTY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 03/23/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX06458 |
| Federal ID | TX06458 |
| More Info | State Dam Safety Program |