Walsh Lake Dam is a gravity dam located in Williamson County, Texas, built in 1930. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 175 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Walsh Lake Dam
The primary purpose of Walsh Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ej Walsh Estate (private). It impounds the Brushy Creek near Round Rock.
The dam stands 11 feet tall and stretches 175 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 64 acre-feet. Completed in 1930, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 10/19/1988. That was over 37 years ago.
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Location
| State | Texas |
| County | Williamson |
| Nearest City | Round Rock |
| River/Stream | Brushy Creek |
| Coordinates | 30.52231, -97.74860 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 175 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 10 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ej Walsh Estate |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/19/1988 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01360 |
| Federal ID | TX01360 |
| More Info | State Dam Safety Program |