Lower Woodsfield Reservoir Dam Reservoir Report
Last Updated: December 5, 2025
The Lower Woodsfield Reservoir Dam in Monroe County, Ohio, is a crucial structure managed by the local government for water supply purposes.
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Summary
Built in 1901, this earth dam stands at a height of 46.9 feet and has a storage capacity of 124 acre-feet. Situated on a tributary to Sunfish Creek, the dam serves as a vital resource for the community, providing a normal storage capacity of 90 acre-feet and covering a surface area of 7 acres.
Despite its historical significance and importance for water supply, the Lower Woodsfield Reservoir Dam is currently rated as having a poor condition, with a significant hazard potential. Regular inspections are conducted, with the most recent one taking place in November 2020. The dam is state-regulated and inspected by the Department of Natural Resources, ensuring compliance with safety standards and enforcement measures. For water resource and climate enthusiasts, the Lower Woodsfield Reservoir Dam presents a unique opportunity to understand the importance of infrastructure maintenance and the challenges of managing aging earth dams in a changing climate.
Year Completed |
1901 |
Dam Length |
243 |
Dam Height |
46.9 |
River Or Stream |
TRIBUTARY TO SUNFISH CREEK |
Primary Dam Type |
Earth |
Surface Area |
7 |
Drainage Area |
0.77 |
Nid Storage |
124 |
Hazard Potential |
Significant |
Nid Height |
47 |
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.
Lower Woodsfield Reservoir Dam