Tehuacana Creek Ws Scs Site 21 Dam
Tehuacana Creek Ws Scs Site 21 Dam is an earth dam located in McLennan County, Texas, built in 1965. It carries a High hazard potential classification and has a fair condition assessment.
About Tehuacana Creek Ws Scs Site 21 Dam
The primary purpose of Tehuacana Creek Ws Scs Site 21 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 Mclennan County;mclennan County Swcd;mclennan Hill Counties Tehuacana Creek Wcid 1 (local government). It impounds the Salt Creek.
The dam stands 40 feet tall and stretches 4,400 feet across, creates a reservoir covering 54 acres, has a maximum storage capacity of 4,632 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1965, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 04/01/2021.
At 40 feet, this dam is taller than 87% 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 | McLennan |
| River/Stream | Salt Creek |
| Coordinates | 31.65591, -96.93165 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 4,400 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 4,632 acre-ft |
| Max Storage | 4,632 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 54 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 5,064 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MCLENNAN COUNTY;MCLENNAN COUNTY SWCD;MCLENNAN HILL COUNTIES TEHUACANA CREEK WCID 1 |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 04/01/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04122 |
| Federal ID | TX04122 |
| More Info | State Dam Safety Program |