Scs-Ionine Creek Site-102 Reservoir Report
Last Updated: January 11, 2026
SCS-Ionine Creek Site-102 in Chickasha, Oklahoma is a state-regulated dam constructed in 1961 by the USDA NRCS with a primary purpose of flood risk reduction.
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Summary
This Earth-type dam stands at 60 feet high, with a hydraulic height of 57 feet and a length of 80 feet. It has a storage capacity of 375 acre-feet, with a normal storage level of 271 acre-feet and a surface area of 21 acres. The dam has a controlled spillway and one outlet gate for water release.
Despite being rated as having a low hazard potential, the risk assessment for SCS-Ionine Creek Site-102 indicates a very high risk level. However, the condition of the dam has not been assessed, and emergency preparedness measures such as an Emergency Action Plan (EAP) have not been reported. The last inspection was conducted in 1980, with an inspection frequency of 5 years. The dam is under the jurisdiction of the OWRB, and it is located on East Ionine Creek in Grady County, Oklahoma.
Water resource and climate enthusiasts will find SCS-Ionine Creek Site-102 an interesting case study due to its historical significance as a flood risk reduction structure in Oklahoma. The dam's design and construction by the USDA NRCS, as well as its regulatory oversight by state agencies, provide valuable insights into water management and infrastructure development. The data on the dam's specifications, risk assessment, and emergency preparedness status offer a comprehensive overview of the challenges and opportunities in maintaining critical water resources in the region.
Year Completed |
1961 |
Dam Length |
80 |
Dam Height |
60 |
River Or Stream |
EAST IONINE CR |
Primary Dam Type |
Earth |
Surface Area |
21 |
Hydraulic Height |
57 |
Nid Storage |
375 |
Structural Height |
60 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
60 |
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.
Scs-Ionine Creek Site-102