Upper Cibolo Creek Ws Scs Site 1 Dam
Upper Cibolo Creek Ws Scs Site 1 Dam is an earth dam located in Kendall County, Texas, built in 1978. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Upper Cibolo Creek Ws Scs Site 1 Dam
The primary purpose of Upper Cibolo Creek Ws Scs Site 1 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 City Of Boerne;kendall County;kendall Swcd (local government). It impounds the Cibolo Creek near Boerne.
The dam stands 89 feet tall and stretches 5,278 feet across, creates a reservoir covering 189 acres, has a maximum storage capacity of 19,022 acre-feet, and collects water from a drainage area of 19 square miles. Completed in 1978, the structure is 48 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/23/2023.
At 89 feet, this dam is taller than 97% of all dams in the United States.
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 | Kendall |
| Nearest City | Boerne |
| River/Stream | Cibolo Creek |
| Coordinates | 29.82172, -98.76767 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 89 ft |
| Dam Height | 87 ft |
| Dam Length | 5,278 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 19,022 acre-ft |
| Max Storage | 19,022 acre-ft |
| Normal Storage | 4,043 acre-ft |
| Surface Area | 189 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 43,750 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CITY OF BOERNE;KENDALL COUNTY;KENDALL SWCD |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/23/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04481 |
| Federal ID | TX04481 |
| More Info | State Dam Safety Program |