Cow Bayou Ws Scs Site 18 Dam
Cow Bayou Ws Scs Site 18 Dam is an earth dam located in McLennan County, Texas, built in 1964. It carries a Significant hazard potential classification.
About Cow Bayou Ws Scs Site 18 Dam
The primary purpose of Cow Bayou Ws Scs Site 18 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 (local government). It impounds the Tr-south Fork Cow Bayou.
The dam stands 33 feet tall and stretches 1,100 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 372 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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 03/20/2024.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Texas |
| County | McLennan |
| River/Stream | Tr-south Fork Cow Bayou |
| Coordinates | 31.34671, -97.33737 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 372 acre-ft |
| Max Storage | 372 acre-ft |
| Normal Storage | 73 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,463 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MCLENNAN COUNTY;MCLENNAN COUNTY SWCD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 03/20/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04074 |
| Federal ID | TX04074 |
| More Info | State Dam Safety Program |