Tacoma Lakes Reservoir Report

Last Updated: December 17, 2025

Tacoma Lakes, located in Kennebec, Maine, is a beautiful water resource managed by the local government for recreational purposes.


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Summary

This serene destination boasts a concrete dam completed in 1885, standing at a height of 11 feet with a hydraulic height of 8 feet. The dam spans 130 feet in length and has a storage capacity of 2990 acre-feet, providing ample opportunities for water-based activities on its 2580-acre surface area.

Maintained by the Maine Emergency Management Agency (MEMA), Tacoma Lakes is a state-regulated water body that offers a low hazard potential and has not been rated for its condition assessment. Despite its age, the dam's structural integrity remains sound, with regular inspections carried out every 12 months to ensure continued safety. With a spillway width of 32 feet and a drainage area of 15 square miles, this picturesque location is not only a haven for outdoor enthusiasts but also a vital component of the local ecosystem, supporting a diverse range of flora and fauna.

For water resource and climate enthusiasts, Tacoma Lakes presents a fascinating case study in sustainable water management practices. From its historical significance as a recreational hub to its modern-day role in flood control and ecosystem preservation, this tranquil oasis serves as a testament to the importance of responsible stewardship of our natural resources. Whether you're drawn to its scenic beauty or its environmental impact, Tacoma Lakes offers a compelling blend of history, recreation, and conservation for all who appreciate the interconnectedness of water and climate.

Year Completed

1885

Dam Length

130

Dam Height

11

River Or Stream

Pond stream

Primary Dam Type

Concrete

Surface Area

2580

Hydraulic Height

8

Drainage Area

15

Nid Storage

2990

Structural Height

11

Hazard Potential

Low

Nid Height

11
       
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.