Crown Audrey Reservoir Report
Nearby: Mcspadden J.E. Delling Grady
Last Updated: December 16, 2025
Crown Audrey is a privately owned earth dam located in Chisney, Oklahoma, within the Pottawatomie County.
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Summary
Built in 1978 by the USDA NRCS, this dam stands at a height of 28 feet and stretches 700 feet in length, with a storage capacity of 60 acre-feet. The primary purpose of Crown Audrey is categorized as 'Other', serving as a vital water resource structure for the region.
Managed by the OWRB and regulated by the state of Oklahoma, Crown Audrey has a low hazard potential and is classified as having a very high risk (1). Despite being last inspected in 2011, the dam remains in a 'Not Rated' condition, with an inspection frequency of 5 years. With a controlled spillway and one outlet valve, Crown Audrey plays a crucial role in water management and climate resilience efforts in the area, highlighting the importance of maintaining and monitoring such critical infrastructure for the safety and sustainability of water resources in the region.
As water resource and climate enthusiasts, understanding the significance of structures like Crown Audrey is essential for promoting sustainable water management practices and addressing the challenges posed by climate change. With its location on TR-Little Riv and its role in the Tulsa District, Crown Audrey serves as a vital component of the regional water infrastructure, emphasizing the need for continued oversight and maintenance to safeguard against potential risks and ensure the long-term resilience of water resources in Oklahoma.
Year Completed |
1978 |
Dam Length |
700 |
Dam Height |
28 |
River Or Stream |
TR-LITTLE RIV |
Primary Dam Type |
Earth |
Surface Area |
1 |
Hydraulic Height |
28 |
Nid Storage |
60 |
Structural Height |
28 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
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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.
Crown Audrey