Obbco Ranch Dam Reservoir Report
Last Updated: December 5, 2025
Obbco Ranch Dam, located in Comanche, Texas, is a private earth dam designed by USDA NRCS for irrigation purposes.
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Summary
The dam sits on Flat Creek and has a height of 11 feet, providing a storage capacity of 90 acre-feet. With a surface area of 15.6 acres, the dam does not have a spillway and is not regulated by the state. Despite its lack of state regulation, the dam has a high risk assessment rating of 2, indicating potential hazards.
This unlisted/unknown foundation dam serves as a crucial water resource for the surrounding area, supporting agricultural irrigation needs. While the dam is not currently rated for condition assessment and lacks updated emergency action plans, it remains an essential infrastructure for water management in the region. As a private structure, the responsibility for inspection and maintenance falls on the owner, highlighting the importance of regular monitoring and risk management measures to ensure the safety and efficiency of the dam.
Water resource and climate enthusiasts interested in the Obbco Ranch Dam can appreciate its unique design and purpose in sustaining irrigation activities in the area. The dam's location on Flat Creek, its high risk assessment rating, and its reliance on private ownership and maintenance present an intriguing case study for understanding the intersection of water management, infrastructure, and environmental conservation in Texas. This dam signifies the delicate balance between human needs for water resources and the potential risks associated with unregulated structures in the region.
Dam Height |
11 |
River Or Stream |
FLAT CREEK |
Primary Dam Type |
Earth |
Surface Area |
15.6 |
Hydraulic Height |
11 |
Nid Storage |
90 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
11 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Leon Rv Nr De Leon
|
0cfs |
Sabana Rv Nr De Leon
|
0cfs |
Copperas Ck At Fm 2247 Nr Comanche
|
2cfs |
Leon Rv Nr Hasse
|
2cfs |
N Bosque Rv At Hico
|
6cfs |
Leon Rv Nr Hamilton
|
4cfs |
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
De Leon Community Park
|
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Weiser Community Park
|
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Dublin City Park
|
Obbco Ranch Dam