Indian Lake Reservoir Report

Last Updated: December 5, 2025

Indian Lake, located in Somerset, Pennsylvania, is a picturesque reservoir managed by local government for recreational purposes.


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Summary

Constructed in 1964, this earth dam stands at a height of 71 feet and spans 960 feet in length, providing a storage capacity of 16,132 acre-feet. With a surface area of 541 acres and a drainage area of 13.7 square miles, the lake offers a tranquil escape for water resource and climate enthusiasts seeking outdoor activities in a scenic setting.

Managed by the Pennsylvania Department of Environmental Protection, Indian Lake is subject to state regulations, inspections, and enforcement to ensure its safety and functionality. The dam has a high hazard potential but is currently assessed as being in satisfactory condition. Regular inspections and risk assessments help to mitigate any potential risks associated with the dam, with the latest inspection conducted in December 2020. Despite its high hazard potential, the reservoir continues to attract visitors for recreational opportunities, making it a popular destination for outdoor enthusiasts in the region.

With its beautiful surroundings, ample storage capacity, and recreational offerings, Indian Lake is a valuable resource in the community. Its controlled spillway, uncontrolled spillway type, and moderate risk assessment indicate a well-maintained structure that prioritizes safety while providing a space for outdoor enjoyment. Whether fishing, boating, or simply enjoying the natural beauty of the area, Indian Lake offers a diverse range of activities for visitors to appreciate and explore.

Years Modified

2008 - Foundation, 2010 - Structural

Year Completed

1964

Dam Length

960

Dam Height

71

River Or Stream

CALENDARS RUN

Primary Dam Type

Earth

Surface Area

541

Drainage Area

13.7

Nid Storage

16132

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

71
       
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.