Rio Hacienda Ranch Lake Dam Reservoir Report
Last Updated: December 12, 2025
Rio Hacienda Ranch Lake Dam, nestled in Maverick County, Texas, stands as a testament to private water resource management since its completion in 1974.
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Summary
This earth dam, with a height of 15 feet and a length of 1400 feet, serves as a key structure for the Rio Hacienda Ranch Lake, providing a storage capacity of 162 acre-feet for the surrounding area. The dam, designed with a buttress core type, is regulated and inspected by the state, ensuring its safety and functionality for the community.
Despite its lack of a spillway, Rio Hacienda Ranch Lake Dam remains a crucial component in managing water resources for the region, particularly in the absence of a listed drainage area. The dam's high hazard potential and risk assessment rating signify the importance of proper maintenance and risk management measures. While the dam's condition is currently not rated, its role in water storage and management highlights the need for continued oversight and emergency preparedness to safeguard against potential hazards.
As water resource enthusiasts and climate advocates, understanding the significance of dams like Rio Hacienda Ranch Lake Dam in sustaining water availability and mitigating risks is paramount. The dam's connection to the TR-CHAPARROSA CREEK and its impact on the local ecosystem underscore the importance of responsible ownership and maintenance practices. With its history of service and the community's reliance on its water storage capacity, Rio Hacienda Ranch Lake Dam stands as a symbol of private stewardship in water resource management in Texas.
Year Completed |
1974 |
Dam Length |
1400 |
Dam Height |
15 |
River Or Stream |
TR-CHAPARROSA CREEK |
Primary Dam Type |
Earth |
Surface Area |
22 |
Hydraulic Height |
15 |
Nid Storage |
162 |
Structural Height |
15 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
15 |
Seasonal Comparison
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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.
Rio Hacienda Ranch Lake Dam