74 Ranch Dam No 2 Reservoir Report

Last Updated: December 5, 2025

74 Ranch Dam No 2 is a privately owned Earth dam located in Atascosa, Texas, completed in 1965 for the primary purpose of water supply.


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Summary

With a height of 10 feet and a length of 1550 feet, this dam has a storage capacity of 80 acre-feet and serves as a crucial water resource for the surrounding area. Situated on the TR-LA PARITA CREEK, this dam plays a vital role in managing water supply in the region.

Despite being privately owned, this dam falls under the regulatory jurisdiction of the state of Texas. While it does not have a spillway, it is equipped with outlet gates to manage water release. The condition assessment of the dam is currently not rated, but it is categorized as having a high risk potential, emphasizing the importance of regular inspections and maintenance to ensure the safety and effectiveness of this water infrastructure.

With its historical significance dating back to the 1960s, 74 Ranch Dam No 2 stands as a testament to the importance of efficient water management in sustaining local communities. As climate change continues to impact water resources, the maintenance and regulation of such dams become increasingly crucial in ensuring water security for both current and future generations.

Year Completed

1965

Dam Length

1550

Dam Height

10

River Or Stream

TR-LA PARITA CREEK

Primary Dam Type

Earth

Surface Area

12

Hydraulic Height

10

Nid Storage

80

Structural Height

10

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

10
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.