Petty Farms Dam Reservoir Report
Last Updated: December 5, 2025
Petty Farms Dam, located in Watonga, Oklahoma, is a privately owned structure managed by THAT DAM ENGINEER LLC.
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Summary
The dam, built on an unnamed tributary of Kingfisher Creek, serves primarily for irrigation purposes. With a core made of stone and resting on a soil foundation, the dam stands at a height of 46 feet and has a storage capacity of 662 acre-feet.
Despite being classified as a low hazard potential structure, Petty Farms Dam has a moderate risk assessment due to its age and lack of recent condition assessment. The dam features an uncontrolled spillway with a width of 2 feet and has not been modified in recent years. Even though the dam is not currently rated for condition, it is regularly inspected every 5 years by the state regulatory agency, OWRB.
Water resource and climate enthusiasts interested in Petty Farms Dam will find its location in Blaine County, Oklahoma, to be an intriguing site for further study. The dam's moderate risk level and limited information on its current condition make it a compelling subject for research on dam safety and maintenance practices. Additionally, the dam's history, design, and purpose for irrigation provide valuable insights into water management in the region.
Dam Length |
1220 |
Dam Height |
26 |
River Or Stream |
UNNAMED TRIBUTARY KINGFISHER CREEK |
Surface Area |
28 |
Hydraulic Height |
26 |
Drainage Area |
0.9 |
Nid Storage |
662 |
Structural Height |
46 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
46 |
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.
Petty Farms Dam