Olmitos and Garcias Creeks WS SCS Site 1 Dam, located in Starr County, Texas, was completed in 1962 by the USDA NRCS for flood risk reduction purposes.
Wind
Humidity
This earth dam stands at a height of 18 feet with a length of 3240 feet, providing a maximum storage capacity of 3302 acre-feet and serving a drainage area of 11.5 square miles. The dam's spillway type is uncontrolled, with a width of 184 feet, and it has an outlet structure consisting of one slide (sluice) gate and two uncontrolled gates.
The dam's condition assessment as of April 2021 was rated as fair, with a moderate risk level assigned. The inspection frequency is every five years, with the last inspection conducted in April 2011. While the hazard potential is listed as not available, the dam is regulated by the TCEQ and has state permitting, inspection, and enforcement in place. With its strategic location on Garcias Creek and its essential role in flood risk reduction, the Olmitos and Garcias Creeks WS SCS Site 1 Dam remains a vital piece of infrastructure in the region, ensuring the protection of surrounding communities from potential flooding events.
Year Completed |
1962 |
Dam Length |
3240 |
Dam Height |
18 |
River Or Stream |
GARCIAS CREEK |
Primary Dam Type |
Earth |
Surface Area |
77 |
Hydraulic Height |
18 |
Drainage Area |
11.5 |
Nid Storage |
3302 |
Structural Height |
18 |
Outlet Gates |
Slide (sluice gate) - 1, Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Rock, Soil |
Nid Height |
18 |
Rio Grande At Ft Ringgold
|
2110cfs |
Los Olmos Ck Nr Falfurrias
|
0cfs |