Oknoname 059004 Reservoir Report
Nearby: Hieronymous George Nadine
Last Updated: December 19, 2025
Oknoname 059004, located in Willard, Oklahoma, is a privately owned earth dam with a height of 20 feet and a length of 580 feet.
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Summary
Completed in 1970, this dam has a storage capacity of 90 acre-feet and serves multiple purposes, including irrigation and flood control. It is regulated by the Oklahoma Water Resources Board and undergoes regular inspections to ensure its structural integrity and safety.
The dam, situated on Snake Creek, is equipped with a controlled spillway and a single valve outlet gate. Despite its low hazard potential, it is categorized as having a very high risk due to its location and potential impact in the event of a failure. The dam has not been rated for condition assessment as of yet, highlighting its importance for ongoing monitoring and maintenance to mitigate risks and ensure the safety of downstream communities.
With a history of state regulation and enforcement, Oknoname 059004 stands as a crucial infrastructure for water resource management in Harper County, Oklahoma. Its presence underscores the need for continued vigilance in the face of climate change and increasing demands on water resources. As a key component of the local watershed, this dam serves as a reminder of the interconnectedness of water systems and the importance of sustainable practices for future generations.
Year Completed |
1970 |
Dam Length |
580 |
Dam Height |
20 |
River Or Stream |
SNAKE CR |
Primary Dam Type |
Earth |
Surface Area |
2 |
Hydraulic Height |
20 |
Nid Storage |
90 |
Structural Height |
20 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
20 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Cimarron R Near Buttermilk
|
46cfs |
Bluff Creek Nr Buttermilk
|
41cfs |
Cimarron River Near Buffalo
|
73cfs |
Crooked C Nr Englewood
|
7cfs |
Cimarron River Near Forgan
|
19cfs |
North Canadian River At Woodward
|
68cfs |
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.
Oknoname 059004