Glendora Dam Reservoir Report

Last Updated: December 19, 2025

Glendora Dam, located in Sullivan, Indiana, was completed in 1982 and serves as a private water resource with a primary purpose of "Other." This earth dam stands at a height of 16.5 feet and has a length of 1000 feet, providing a storage capacity of 360 acre-feet.


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Summary

With a normal storage of 123 acre-feet and a maximum discharge of 1465 cubic feet per second, the dam covers a surface area of 22.9 acres and drains an area of 1.15 square miles.

Despite its low hazard potential, Glendora Dam has not been rated in terms of its condition assessment, and its last inspection was conducted in 1998. The dam does not fall under state jurisdiction and is not subject to state regulations, permitting, inspection, or enforcement. With no emergency action plan in place and no risk assessment conducted, the dam's risk management measures and overall risk characterization remain undisclosed.

Although Glendora Dam may not be heavily regulated or inspected, its role in water resource management in the area is significant. As climate change continues to impact water availability and quality, it is crucial for enthusiasts and stakeholders to monitor the condition and management of dams like Glendora to ensure the safety and sustainability of our water resources for future generations.

Year Completed

1982

Dam Length

1000

Dam Height

16.5

Surface Area

22.9

Drainage Area

1.15

Nid Storage

360

Hazard Potential

Low

Nid Height

17
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.