Moxie Reservoir Report
Last Updated: December 19, 2025
Moxie, a privately owned hydroelectric dam located on Moxie Stream in Somerset, Maine, stands as a testament to sustainable water resource management.
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Summary
Completed in 1925, this concrete dam serves multiple purposes, including flood risk reduction, recreation, and water supply in addition to hydroelectric power generation. With a height of 19 feet and a storage capacity of 24,960 acre-feet, Moxie contributes significantly to the region's water resource infrastructure.
Managed by the Maine Emergency Management Agency (MEMA), Moxie is subject to state regulations for permitting, inspection, and enforcement to ensure its safe operation. The dam's hazard potential is deemed significant, but its condition assessment as of September 2015 was satisfactory. With a spillway width of 112 feet, Moxie is well-equipped to handle potential discharge events and mitigate risks associated with its operation.
While specific details regarding the dam's risk assessment, emergency action plan, and inundation maps are currently unavailable, Moxie's role in supporting fish and wildlife habitats, as well as its contribution to the local economy through recreation and water supply, underscores the importance of sustainable water resource management in a changing climate. As water resource and climate enthusiasts, the intricate balance between infrastructure development, environmental conservation, and community resilience embodied by Moxie serves as a compelling case study for the future of water management practices.
Year Completed |
1925 |
Dam Length |
1022 |
Dam Height |
19 |
River Or Stream |
Moxie Stream |
Primary Dam Type |
Concrete |
Surface Area |
2231 |
Hydraulic Height |
17 |
Drainage Area |
83 |
Nid Storage |
24960 |
Structural Height |
19 |
Hazard Potential |
Significant |
Nid Height |
19 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Kennebec River At The Forks
|
660cfs |
Piscataquis River At Blanchard
|
67cfs |
Spencer Stream At Mouth
|
104cfs |
Dead River Near Dead River
|
791cfs |
Austin Stream At Bingham
|
55cfs |
Kennebec River At Bingham
|
1990cfs |
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.
Moxie
Kennebec Gorge