Sister Grove Creek Ws Scs Site 14 Dam is an earth dam located in Collin County, Texas, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 1,042 ft long, taller than 76% 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 Sister Grove Creek Ws Scs Site 14 Dam
The primary purpose of Sister Grove Creek Ws Scs Site 14 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 Elm Grove Creek.
The dam stands 33 feet tall and stretches 1,042 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 1,416 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1959, 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.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Texas |
| County | Collin |
| River/Stream | Elm Grove Creek |
| Coordinates | 33.35779, -96.48451 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 1,042 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 1,416 acre-ft |
| Max Storage | 1,416 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 2 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 | TX04259 |
| Federal ID | TX04259 |
| More Info | State Dam Safety Program |