South Prong Dam, located in Ellis, Texas, is a vital structure designed by Forrest and Cotton in 1956 for water supply purposes.
Wind
Humidity
This earth dam stands at a height of 62 feet and spans 4100 feet in length along the South Prong Waxahachie Creek. With a maximum storage capacity of 22,764 acre-feet and a normal storage of 13,500 acre-feet, the dam plays a crucial role in managing water resources in the region.
Managed by local government authorities and regulated by the Texas Commission on Environmental Quality (TCEQ), South Prong Dam has been inspected regularly to ensure its structural integrity and operational efficiency. The dam features an uncontrolled spillway with a width of 1600 feet and two uncontrolled outlet gates. Its condition assessment in April 2021 deemed it to be satisfactory, reflecting its reliability in water storage and supply. While the hazard potential is not available, the risk assessment categorizes the dam as moderate (3), highlighting the importance of ongoing risk management measures to ensure its safety and functionality for the community.
Overall, South Prong Dam stands as a crucial infrastructure piece in the water resource management system of Ellis, Texas. With its historical significance, structural soundness, and regulated operation, the dam continues to serve its primary purpose of providing water supply to the region while maintaining a moderate risk level that necessitates ongoing monitoring and management efforts.
Years Modified |
1995 - Structural |
Year Completed |
1956 |
Dam Length |
4100 |
Dam Height |
62 |
River Or Stream |
SOUTH PRONG WAXAHACHIE CREEK |
Primary Dam Type |
Earth |
Surface Area |
690 |
Hydraulic Height |
62 |
Drainage Area |
29 |
Nid Storage |
22764 |
Structural Height |
62 |
Outlet Gates |
Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Soil |
Nid Height |
62 |
Waxahachie Ck At Waxahachie
|
7cfs |
Waxahachie Ck Nr Bardwell
|
1cfs |
Chambers Ck At Fm 55 Nr Avalon
|
8cfs |
Chambers Ck Nr Rice
|
11cfs |
Richland Ck At Hwy 22 Nr Mertens
|
338cfs |
Trinity Rv Nr Rosser
|
1360cfs |
| Location | Reservations | Toilets |
|---|---|---|
Waxahachie - Bardwell Lake
|
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Highview - Bardwell Lake
|
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Mott - Bardwell Lake
|