Lower Plum Creek WS SCS Site 38 Dam, located in Caldwell County, Texas, is a crucial structure designed by the USDA NRCS for flood risk reduction along the Salt Branch river.
Wind
Humidity
Completed in 1976, this earth dam stands at a height of 30 feet with a length of 1690 feet, providing storage capacity of 17 acre-feet and a maximum discharge of 14,180 cubic feet per second. The dam features an uncontrolled spillway and outlet gates for efficient water management.
Despite being in fair condition as of the last assessment in 2016, the dam has a moderate risk level, prompting a regular inspection frequency of 5 years. The regulatory oversight of the dam falls under the Texas Commission on Environmental Quality (TCEQ), ensuring compliance with state permitting, inspection, and enforcement requirements. With its primary purpose of flood risk reduction, Lower Plum Creek WS SCS Site 38 Dam plays a vital role in protecting the surrounding area from potential inundation events, highlighting the importance of proper infrastructure for water resource management in the face of climate variability.
Year Completed |
1976 |
Dam Length |
1690 |
Dam Height |
30 |
River Or Stream |
SALT BRANCH |
Primary Dam Type |
Earth |
Surface Area |
30 |
Hydraulic Height |
30 |
Drainage Area |
2.1 |
Nid Storage |
1993 |
Structural Height |
30 |
Outlet Gates |
Slide (sluice gate) - 1, Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
30 |
San Marcos Rv At Luling
|
103cfs |
Plum Ck Nr Luling
|
9cfs |
Guadalupe Rv At Cr 143 Nr Gonzales
|
125cfs |
San Marcos Rv Nr Martindale
|
89cfs |
Plum Ck At Lockhart
|
7cfs |
Guadalupe Rv At Fm 1117 Nr Seguin
|
108cfs |
| Location | Reservations | Toilets |
|---|---|---|
Palmetto State Park
|
||
Group Camping
|
||
Lockhart State Park
|