Lower George Ross Lake Dam is an earth dam located in Bastrop County, Texas, built in 1979. It carries a Significant hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 800 ft long. 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 George Ross Lake Dam
The primary purpose of Lower George Ross Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Circle D Civic Association (private). It impounds the Spicer Creek.
The dam stands 16 feet tall and stretches 800 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 118 acre-feet, and collects water from a drainage area of 862 square miles. Completed in 1979, the structure is 47 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. An emergency action plan is in place for this dam. The most recent inspection on record was 01/29/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Bastrop |
| River/Stream | Spicer Creek |
| Coordinates | 30.17520, -97.25965 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 800 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 118 acre-ft |
| Max Storage | 118 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 862 sq mi |
| Max Discharge | 21 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Circle D Civic Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 01/29/2009 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX05711 |
| Federal ID | TX05711 |
| More Info | State Dam Safety Program |