Trigg Lake Dam
Trigg Lake Dam is an earth dam located in Bastrop County, Texas, built in 1900. It carries a Low hazard potential classification.
About Trigg Lake Dam
The primary purpose of Trigg 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 Lonnie Yoast (private). It impounds the Tr-cedar Creek near Smithville.
The dam stands 18 feet tall and stretches 600 feet across, creates a reservoir covering 19 acres, and has a maximum storage capacity of 200 acre-feet. Completed in 1900, the structure is over a century old.
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 | Bastrop |
| Nearest City | Smithville |
| River/Stream | Tr-cedar Creek |
| Coordinates | 30.06649, -97.57424 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 600 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 115 acre-ft |
| Surface Area | 19 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | LONNIE YOAST |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02720 |
| Federal ID | TX02720 |
| More Info | State Dam Safety Program |