City Lake No 1 Dam
City Lake No 1 Dam is an earth dam located in Williamson County, Texas, built in 1955. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
About City Lake No 1 Dam
The primary purpose of City Lake No 1 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Alma Mcdaniel;barbara Barton;merrilyn Barton (private). It impounds the Berry Branch near Thorndale.
The dam stands 20 feet tall and stretches 700 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 282 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1955, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 07/08/2020.
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Location
| State | Texas |
| County | Williamson |
| Nearest City | Thorndale |
| River/Stream | Berry Branch |
| Coordinates | 30.60569, -97.23007 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 700 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 282 acre-ft |
| Max Storage | 282 acre-ft |
| Normal Storage | 145 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,543 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | ALMA MCDANIEL;BARBARA BARTON;MERRILYN BARTON |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 07/08/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | TX01332 |
| Federal ID | TX01332 |
| More Info | State Dam Safety Program |