Oknoname 059007 Reservoir Report
Nearby: Oknoname 059040 Erwin #2
Last Updated: December 20, 2025
Oknoname 059007, located in Harper, Oklahoma, is a privately owned earth dam with a primary purpose classified as 'Other'.
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Summary
Completed in 1965, this dam stands at a height of 20 feet and has a storage capacity of 140 acre-feet. It spans 405 feet in length and is situated on the TR-SNAKE CREEK river or stream, managed by the Tulsa District of the US Army Corps of Engineers.
Despite being rated as having a low hazard potential, the risk assessment for Oknoname 059007 is deemed very high, indicating potential vulnerabilities that require mitigation measures. The dam is regulated by the Oklahoma Water Resources Board and is subject to state permitting, inspection, and enforcement. While the condition assessment is marked as 'Not Rated', the last inspection was conducted in August 2011, with an inspection frequency of 5 years.
With a controlled spillway type and a single valve outlet gate, Oknoname 059007 presents a unique engineering feat in its design and construction. Climate and water resource enthusiasts can appreciate the intricate balance of water storage and discharge capabilities of this dam, as well as the ongoing risk management considerations to ensure its safety and functionality for the surrounding community in EDITH, Oklahoma.
Year Completed |
1965 |
Dam Length |
405 |
Dam Height |
20 |
River Or Stream |
TR-SNAKE CREEK |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
20 |
Nid Storage |
140 |
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 059007