Hendricks Lake Reservoir Report

Last Updated: December 15, 2025

Hendricks Lake, located in Putnam, Indiana, is a private recreational lake with a dam completed in 1970 by the USDA NRCS.


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Summary

The earth dam stands at a height of 20 feet and spans 250 feet in length, providing a storage capacity of 48 acre-feet. The lake covers a surface area of 4 acres and is a popular spot for outdoor enthusiasts in the area, offering opportunities for boating, fishing, and other water activities.

Despite its small size, Hendricks Lake poses a significant hazard potential, as it has a maximum discharge of 410 cubic feet per second. The dam has not been inspected since October 1979, and its condition is currently not rated. While there are no associated structures or locks with the dam, it is important for local authorities to prioritize regular inspections and maintenance to ensure the safety and functionality of this recreational water resource. Climate and water resource enthusiasts may find Hendricks Lake to be an intriguing case study in the management and regulation of private dams for recreational purposes.

Year Completed

1970

Dam Length

250

Dam Height

20

River Or Stream

TR-SNYDER BR,BIG WALNUT CR

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

20

Nid Storage

48

Structural Height

20

Hazard Potential

Significant

Nid Height

20
       
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.