Upper Pecan Bayou Ws Scs Site 11a Dam
Upper Pecan Bayou Ws Scs Site 11a Dam is an earth dam located in Callahan County, Texas, built in 1967. It carries a Low hazard potential classification.
About Upper Pecan Bayou Ws Scs Site 11a Dam
The primary purpose of Upper Pecan Bayou Ws Scs Site 11a 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 Lick Branch near Webbville.
The dam stands 75 feet tall and stretches 1,480 feet across, has a maximum storage capacity of 4,242 acre-feet, and collects water from a drainage area of 13 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
At 75 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | Texas |
| County | Callahan |
| Nearest City | Webbville |
| River/Stream | Lick Branch |
| Coordinates | 32.20895, -99.50196 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 75 ft |
| Dam Height | 75 ft |
| Dam Length | 1,480 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 4,242 acre-ft |
| Max Storage | 4,242 acre-ft |
| Normal Storage | 106 acre-ft |
| Drainage Area | 13 sq mi |
| Max Discharge | 19,800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CALLAHAN COUNTY;CALLAHAN DIVIDE SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02937 |
| Federal ID | TX02937 |
| More Info | State Dam Safety Program |