Upper Pecan Bayou Ws Scs Site 10 Dam is an earth dam located in Callahan County, Texas, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 1,750 ft long, taller than 78% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Upper Pecan Bayou Ws Scs Site 10 Dam
The primary purpose of Upper Pecan Bayou Ws Scs Site 10 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-north Prong Pecan Bayou near Webbville.
The dam stands 34 feet tall and stretches 1,750 feet across, and has a maximum storage capacity of 1,943 acre-feet. 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 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Texas |
| County | Callahan |
| Nearest City | Webbville |
| River/Stream | Tr-north Prong Pecan Bayou |
| Coordinates | 32.24119, -99.42871 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 1,750 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 1,943 acre-ft |
| Max Storage | 1,943 acre-ft |
| Normal Storage | 50 acre-ft |
| Max Discharge | 9,236 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 assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02932 |
| Federal ID | TX02932 |
| More Info | State Dam Safety Program |