Pine Lake Dam Reservoir Report
Last Updated: December 19, 2025
Pine Lake Dam, located in Zanesfield, Ohio, is a privately owned structure regulated by the Department of Natural Resources.
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Summary
This Earth-type dam serves primarily for recreation, with a height of 25 feet and a length of 305 feet. The dam has a storage capacity of 64.7 acre-feet, with a normal storage level of 31.9 acre-feet, covering a surface area of 5.5 acres and draining a small 0.2 square mile watershed.
Despite its recreational purpose, Pine Lake Dam poses a high hazard potential due to its poor condition assessment as of November 2019. The dam has a high risk profile, with a need for regular inspections every five years to ensure public safety. With no Emergency Action Plan (EAP) prepared or updated, there are concerns regarding the dam's ability to handle emergencies effectively.
As water resource and climate enthusiasts, the data on Pine Lake Dam serves as a reminder of the importance of proper dam maintenance and regulation. The dam's association with the tributary to Mad River highlights its significance in local hydrology and the potential risks associated with outdated infrastructure. Advocating for improved risk management measures and emergency preparedness at Pine Lake Dam is crucial to safeguarding the surrounding community and preserving the recreational opportunities it provides.
Dam Length |
305 |
Dam Height |
25 |
River Or Stream |
TRIBUTARY TO MAD RIVER |
Primary Dam Type |
Earth |
Surface Area |
5.5 |
Drainage Area |
0.2 |
Nid Storage |
64.7 |
Hazard Potential |
High |
Nid Height |
25 |
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.
Pine Lake Dam