Lower Brushy Creek Ws Scs Site 9 Dam is an earth dam located in Williamson County, Texas, built in 1966. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 40 ft40 ft tall and 1,800 ft long, taller than 86% 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 Lower Brushy Creek Ws Scs Site 9 Dam
The primary purpose of Lower Brushy Creek Ws Scs Site 9 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 Lower Brushy Creek Wcid;taylor Swcd (local government). It impounds the Spring Branch.
The dam stands 40 feet tall and stretches 1,800 feet across, creates a reservoir covering 73 acres, has a maximum storage capacity of 3,248 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1966, 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 01/12/2021.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Texas |
| County | Williamson |
| River/Stream | Spring Branch |
| Coordinates | 30.62572, -97.24201 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 37 ft |
| Dam Length | 1,800 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 3,248 acre-ft |
| Max Storage | 3,248 acre-ft |
| Normal Storage | 469 acre-ft |
| Surface Area | 73 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 6,467 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Brushy Creek Wcid;taylor Swcd |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 01/12/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX01333 |
| Federal ID | TX01333 |
| More Info | State Dam Safety Program |