Little Elm and Laterals Ws Scs Site 12 Dam is an earth dam located in Collin County, Texas, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 1,865 ft long, taller than 72% of U.S. dams with a recorded height. 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 Little Elm and Laterals Ws Scs Site 12 Dam
The primary purpose of Little Elm and Laterals Ws Scs Site 12 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Collin County;collin County Swcd (local government). It impounds the Tr-little Elm.
The dam stands 31 feet tall and stretches 1,865 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 813 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, 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.
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Location
| State | Texas |
| County | Collin |
| River/Stream | Tr-little Elm |
| Coordinates | 33.38681, -96.82281 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 1,865 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 813 acre-ft |
| Max Storage | 813 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Collin County;collin County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01135 |
| Federal ID | TX01135 |
| More Info | State Dam Safety Program |