Lilly Lake Dam is an earth dam located in San Augustine County, Texas, built in 1920. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 620 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 Lilly Lake Dam
The primary purpose of Lilly Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gale Hatch (private). It impounds the Tigre Creek.
The dam stands 18 feet tall and stretches 620 feet across, and has a maximum storage capacity of 200 acre-feet. Completed in 1920, 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 | San Augustine |
| River/Stream | Tigre Creek |
| Coordinates | 31.51349, -94.00595 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 620 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 120 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Gale Hatch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03969 |
| Federal ID | TX03969 |
| More Info | State Dam Safety Program |