Umbach Estate Properties Reservoir Report
Nearby: Oknoname 051045 Oknoname 051043
Last Updated: December 8, 2025
Umbach Estate Properties, located in Chickasha, Oklahoma, is a privately owned property that features an earth dam along the TR-W.Bitter Creek.
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Summary
The dam, completed in 1960, stands at a height of 30 feet with a length of 340 feet, providing a storage capacity of 200 acre-feet. It serves a primary purpose of "Other" and is regulated by the Oklahoma Water Resources Board.
The dam at Umbach Estate Properties has a spillway type of "Controlled" with a width of 1 foot, ensuring the safe release of excess water during heavy rainfall events. Despite being rated as a low hazard potential structure, the risk assessment for this dam is classified as "Very High (1)", indicating the need for thorough risk management measures. The last inspection of the dam took place in August 2010, with a scheduled inspection frequency of every 5 years to ensure its structural integrity and safety.
For water resource and climate enthusiasts, Umbach Estate Properties offers a fascinating case study in dam infrastructure and risk assessment. With its unique design and location, this privately owned earth dam provides insight into the importance of regulatory oversight, emergency preparedness, and ongoing maintenance to mitigate potential hazards and ensure the safety of surrounding communities and ecosystems.
Year Completed |
1960 |
Dam Length |
340 |
Dam Height |
30 |
River Or Stream |
TR-W.BITTER CR |
Primary Dam Type |
Earth |
Surface Area |
2 |
Hydraulic Height |
30 |
Nid Storage |
200 |
Structural Height |
30 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Umbach Estate Properties