Rosenauer Dam Reservoir Report

Last Updated: December 5, 2025

Located in Johnson County, Texas, Rosenauer Dam is a privately owned structure regulated by the Texas Commission on Environmental Quality.


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Summary

Standing at a height of 11 feet with a storage capacity of 48 acre-feet, this dam serves a primary purpose classified as "Other." It belongs to the Buttress core type and has no spillway, locks, or associated structures. The dam's last inspection took place in June 2015, and it is categorized as having a high risk potential.

With a normal storage capacity of 32 acre-feet, Rosenauer Dam plays a crucial role in water resource management in its region. Despite its small size and lack of certain features commonly found in larger dams, it fulfills its purpose effectively. The dam's condition assessment is currently not rated, indicating a need for further evaluation and potential maintenance to ensure its long-term functionality.

As a privately owned dam, Rosenauer Dam highlights the diverse landscape of water infrastructure in Texas. While its risk potential is considered high, proactive risk management measures and regular inspections help mitigate potential hazards. Water resource and climate enthusiasts can appreciate the unique characteristics and importance of dams like Rosenauer in sustaining water supplies and managing environmental impact in the region.

Dam Height

11

River Or Stream

Primary Dam Type

Other

Nid Storage

48

Structural Height

11

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

11
       
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.