North Trinity Laterals Ws Scs Site 4 Dam
North Trinity Laterals Ws Scs Site 4 Dam is an earth dam located in Dallas County, Texas, built in 1969. It carries a High hazard potential classification and has a unsatisfactory condition assessment.
About North Trinity Laterals Ws Scs Site 4 Dam
The primary purpose of North Trinity Laterals 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 Bois D Arc Island Levee District;dalworth Swcd (local government). It impounds the Tr-parsons Slough.
The dam stands 29 feet tall and stretches 1,000 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 167 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1969, 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. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 07/07/2022.
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 | Dallas |
| River/Stream | Tr-parsons Slough |
| Coordinates | 32.62173, -96.53695 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 167 acre-ft |
| Max Storage | 167 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 445 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BOIS D ARC ISLAND LEVEE DISTRICT;DALWORTH SWCD |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 07/07/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04701 |
| Federal ID | TX04701 |
| More Info | State Dam Safety Program |