Hunters Run Structure No. 4 Reservoir Report
Last Updated: December 5, 2025
Hunters Run Structure No.
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Summary
4 is a vital flood risk reduction infrastructure located in Fairfield, Ohio, along a tributary to Hunters Run. This earth dam, constructed in 1960 by the USDA NRCS, stands at a height of 50.6 feet and spans 587 feet in length. With a storage capacity of 748 acre-feet and a drainage area of 1.4 square miles, this structure plays a crucial role in managing water levels and protecting the surrounding community from potential flooding.
The dam's spillway type is uncontrolled, and it has an uncontrolled outlet gates system. Despite being classified as having a high hazard potential, the structure is deemed to be in fair condition as of the last inspection in May 2017. The dam's risk assessment is moderate, with a risk level of 3 out of 5, indicating the need for continued monitoring and potential risk management measures. With the Department of Natural Resources serving as the regulatory agency, this dam serves as a key component in the overall flood risk reduction strategy for the region.
As water resource and climate enthusiasts, the data surrounding Hunters Run Structure No. 4 highlights the importance of maintaining and monitoring critical infrastructure to safeguard against potential flooding events. With its role in flood risk reduction and its significant storage capacity, this dam serves as a vital tool in protecting the local community from water-related hazards. By staying informed about its condition and risk assessment, stakeholders can work towards ensuring the continued safety and effectiveness of this essential piece of water management infrastructure in Ohio.
Year Completed |
1960 |
Dam Length |
587 |
Dam Height |
50.6 |
River Or Stream |
TRIBUTARY TO HUNTERS RUN |
Primary Dam Type |
Earth |
Surface Area |
7.3 |
Drainage Area |
1.4 |
Nid Storage |
748 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
51 |
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.
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