Little Elm and Laterals Ws Scs Site 1 Dam is an earth dam located in Grayson County, Texas, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 3,990 ft long, taller than 68% 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 1 Dam
The primary purpose of Little Elm and Laterals Ws Scs Site 1 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 Grayson County;upper Elm Red Swcd (local government). It impounds the Tr-little Elm Creek.
The dam stands 30 feet tall and stretches 3,990 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 1,662 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1966, 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 | Grayson |
| River/Stream | Tr-little Elm Creek |
| Coordinates | 33.47731, -96.76086 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 3,990 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 1,662 acre-ft |
| Max Storage | 1,662 acre-ft |
| Normal Storage | 167 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Grayson County;upper Elm Red Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02125 |
| Federal ID | TX02125 |
| More Info | State Dam Safety Program |