Cawthorn Lake Dam is an earth dam located in Brazos County, Texas, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 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 Cawthorn Lake Dam
The primary purpose of Cawthorn Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Ff Bonnett Et Ux (private). It impounds the Tr-big Creek.
The dam stands 20 feet tall and stretches 800 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 90 acre-feet. Completed in 1950, 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.
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Location
| State | Texas |
| County | Brazos |
| River/Stream | Tr-big Creek |
| Coordinates | 30.41563, -96.22972 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 800 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 9 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Ff Bonnett Et Ux |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01860 |
| Federal ID | TX01860 |
| More Info | State Dam Safety Program |