Lake Letourneau Dam is an earth dam located in Gregg County, Texas, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall and 4,700 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 Lake Letourneau Dam
Lake Letourneau Dam is a dam in Gregg, Texas. The dam is owned by Marathon Letourneau Company (private). It impounds the Tr-long Creek.
The dam stands 13 feet tall and stretches 4,700 feet across, creates a reservoir covering 42 acres, and has a maximum storage capacity of 300 acre-feet. Completed in 1958, the structure is well into its service life at over 50 years 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. The most recent inspection on record was 08/30/1973. That was over 53 years ago.
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Location
| State | Texas |
| County | Gregg |
| River/Stream | Tr-long Creek |
| Coordinates | 32.45275, -94.74048 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 4,700 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 198 acre-ft |
| Surface Area | 42 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | Marathon Letourneau Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/30/1973 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03455 |
| Federal ID | TX03455 |
| More Info | State Dam Safety Program |