Harding St. Power Plant Dam (In-Channel) Reservoir Report
Last Updated: December 16, 2025
The Harding St.
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Summary
Power Plant Dam, also known as the White River Dam, is a timber crib structure located in Marion, Indiana. This in-channel dam is owned by a public utility and is regulated by the Indiana Department of Natural Resources. With a dam height of 10 feet and a storage capacity of 688 acre-feet, this structure plays a crucial role in managing water resources in the area.
While the dam has a low hazard potential, its condition assessment is rated as poor, indicating a need for maintenance and improvements. The last inspection in 2019 revealed areas of concern, and the risk assessment categorizes it as high risk (2). Despite these challenges, the dam continues to serve its primary purpose and is a key feature in the White River watershed, supporting various ecological and human activities.
As water resource and climate enthusiasts, it is important to monitor and advocate for the proper maintenance and management of the Harding St. Power Plant Dam to ensure its continued functionality and safety. With its strategic location on the White River and its impact on the surrounding community, this dam is a significant piece of infrastructure that requires attention and investment for long-term sustainability.
Dam Length |
200 |
Dam Height |
10 |
River Or Stream |
WHITE RIVER |
Primary Dam Type |
Timber Crib |
Drainage Area |
1873.66 |
Nid Storage |
688 |
Outlet Gates |
None |
Hazard Potential |
Low |
Nid Height |
10 |
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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