Olmitos And Garcias Crks Ws Scs Site 2 Dam Reservoir Report
Last Updated: December 19, 2025
Olmitos and Garcias Creeks Watershed SCS Site 2 Dam, located in Starr, Texas, is a vital structure owned by the local government and regulated by the Texas Commission on Environmental Quality (TCEQ).
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Summary
Built in 1963 by the USDA NRCS, this earth dam stands at a height of 21 feet and serves primarily for flood risk reduction. With a storage capacity of 5065 acre-feet and a drainage area of 31.9 square miles, the dam plays a crucial role in protecting the surrounding area from potential flood events.
The dam's spillway, with a width of 404 feet, is uncontrolled, and the outlet gates consist of one slide gate and two uncontrolled gates. The structure's condition is reported as fair, with the last inspection conducted in April 2021. Despite a moderate risk assessment rating, there are no available hazard potential details for this dam. The dam's emergency action plan status, inundation maps, and risk management measures are currently not specified, highlighting areas for potential improvement in emergency preparedness and response.
Overall, the Olmitos and Garcias Creeks Watershed SCS Site 2 Dam serves as a critical infrastructure for flood risk reduction in the region. With ongoing inspections and maintenance, as well as potential enhancements in emergency planning, this dam continues to play a key role in protecting the community and surrounding areas from potential water-related hazards. Enthusiasts of water resources and climate resilience will find interest in the structural details and operational aspects of this essential dam.
Years Modified |
2003 - Other |
Year Completed |
1963 |
Dam Length |
5113 |
Dam Height |
21 |
River Or Stream |
GARCIAS CREEK |
Primary Dam Type |
Earth |
Surface Area |
89 |
Hydraulic Height |
21 |
Drainage Area |
31.9 |
Nid Storage |
5065 |
Structural Height |
21 |
Outlet Gates |
Slide (sluice gate) - 1, Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
21 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Rio Grande At Ft Ringgold
|
2110cfs |
Los Olmos Ck Nr Falfurrias
|
0cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Olmitos And Garcias Crks Ws Scs Site 2 Dam