Upper Pecan Bayou Ws Scs Site 1 Dam
Upper Pecan Bayou Ws Scs Site 1 Dam is an earth dam located in Callahan County, Texas, built in 1967. It carries a Significant hazard potential classification and has a fair condition assessment.
About Upper Pecan Bayou Ws Scs Site 1 Dam
The primary purpose of Upper Pecan Bayou 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 Callahan County;callahan Divide Swcd (local government). It impounds the Tr-south Prong Pecan Bayou near Webbville.
The dam stands 50 feet tall and stretches 1,815 feet across, and has a maximum storage capacity of 3,182 acre-feet. Completed in 1967, 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. 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 12/14/2023.
At 50 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Texas |
| County | Callahan |
| Nearest City | Webbville |
| River/Stream | Tr-south Prong Pecan Bayou |
| Coordinates | 32.20117, -99.57407 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 1,815 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 3,182 acre-ft |
| Max Storage | 3,182 acre-ft |
| Normal Storage | 79 acre-ft |
| Max Discharge | 10,821 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CALLAHAN COUNTY;CALLAHAN DIVIDE SWCD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/14/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX02938 |
| Federal ID | TX02938 |
| More Info | State Dam Safety Program |