Upper Pecan Bayou Ws Scs Site 30 Dam
Upper Pecan Bayou Ws Scs Site 30 Dam is an earth dam located in Brown County, Texas, built in 1975. It carries a Significant hazard potential classification and has a poor condition assessment.
About Upper Pecan Bayou Ws Scs Site 30 Dam
The primary purpose of Upper Pecan Bayou Ws Scs Site 30 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 Brown County;pecan Bayou Swcd (local government). It impounds the Lost Creek near Williams.
The dam stands 34 feet tall and stretches 3,725 feet across, creates a reservoir covering 36 acres, has a maximum storage capacity of 2,072 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1975, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 10/11/2023.
At 34 feet, this dam is taller than 80% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Brown |
| Nearest City | Williams |
| River/Stream | Lost Creek |
| Coordinates | 32.03491, -99.02472 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 3,725 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 2,072 acre-ft |
| Max Storage | 2,072 acre-ft |
| Normal Storage | 193 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 4,807 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BROWN COUNTY;PECAN BAYOU SWCD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 10/11/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04729 |
| Federal ID | TX04729 |
| More Info | State Dam Safety Program |