Sister Grove Creek Ws Scs Site 4 Dam
Sister Grove Creek Ws Scs Site 4 Dam is an earth dam located in Collin County, Texas, built in 1960. It carries a Significant hazard potential classification.
About Sister Grove Creek Ws Scs Site 4 Dam
The primary purpose of Sister Grove Creek Ws Scs Site 4 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-wolf Run Creek.
The dam stands 28 feet tall and stretches 1,010 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 425 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, the structure is well into its service life at over 50 years 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/02/2017.
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Location
| State | Texas |
| County | Collin |
| River/Stream | Tr-wolf Run Creek |
| Coordinates | 33.37620, -96.49264 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 1,010 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 425 acre-ft |
| Max Storage | 425 acre-ft |
| Normal Storage | 69 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 735 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | COLLIN COUNTY;COLLIN COUNTY SWCD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 08/02/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04254 |
| Federal ID | TX04254 |
| More Info | State Dam Safety Program |