Lambshead Tank Dam is an earth dam located in Throckmorton County, Texas, built in 1912. It carries a Significant hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 720 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 Lambshead Tank Dam
Lambshead Tank Dam is a dam in Throckmorton, Texas. The dam is owned by Matthews Land and Cattle (private). It impounds the Tr-lambshead Creek.
The dam stands 20 feet tall and stretches 720 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 194 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1912, the structure is over a century 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. The most recent inspection on record was 02/18/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Throckmorton |
| River/Stream | Tr-lambshead Creek |
| Coordinates | 32.96091, -99.30934 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 720 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 194 acre-ft |
| Max Storage | 194 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 6,691 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Matthews Land and Cattle |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 02/18/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05237 |
| Federal ID | TX05237 |
| More Info | State Dam Safety Program |