Rowlett Creek Ws Scs Site 4 Dam
Rowlett Creek Ws Scs Site 4 Dam is an earth dam located in Collin County, Texas, built in 1956. It carries a High hazard potential classification.
About Rowlett Creek Ws Scs Site 4 Dam
The primary purpose of Rowlett 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 Muddy Creek.
The dam stands 43 feet tall and stretches 4,100 feet across, creates a reservoir covering 140 acres, has a maximum storage capacity of 6,500 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1956, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 11/01/2018. That was 7 years ago, which is on the longer end for a high-hazard structure.
At 43 feet, this dam is taller than 89% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Texas dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Collin |
| River/Stream | Muddy Creek |
| Coordinates | 33.01706, -96.57658 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 4,100 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 6,500 acre-ft |
| Max Storage | 6,500 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 140 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 3 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | COLLIN COUNTY;COLLIN COUNTY SWCD |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 11/01/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX01106 |
| Federal ID | TX01106 |
| More Info | State Dam Safety Program |