Stump Reservoir Report
Nearby: Mill Pond Porter Lake
Last Updated: January 12, 2026
Stump is a concrete dam located in Franklin, Maine, on the Lemon River.
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Summary
Built in 1948, it stands at a height of 10 feet, with a hydraulic height of 4 feet and a length of 260 feet. The primary purpose of this dam is water supply, serving as a source for fish and wildlife ponds, flood risk reduction, and water supply for the area. With a normal storage capacity of 500 acre-feet and a maximum storage of 600 acre-feet, Stump covers a surface area of 35 acres and drains an area of 15 square miles.
Despite its age, Stump has a low hazard potential and has not been rated for its current condition. The last inspection was conducted in January 2008, with a frequency of once every 12 years. The dam is state-regulated and state-permitted, with inspection, enforcement, and regulatory agencies in place to ensure its safety and compliance with regulations. While there are no associated structures or locks, Stump features a spillway width of 20 feet for controlled water release. Overall, Stump serves as a vital water resource infrastructure in Maine, contributing to various water management needs in the region.
Year Completed |
1948 |
Dam Length |
260 |
Dam Height |
10 |
River Or Stream |
Lemon |
Primary Dam Type |
Concrete |
Surface Area |
35 |
Hydraulic Height |
4 |
Drainage Area |
15 |
Nid Storage |
600 |
Structural Height |
10 |
Hazard Potential |
Low |
Nid Height |
10 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Carrabassett River Near North Anson
|
304cfs |
Sandy River Near Mercer
|
326cfs |
Kennebec River At Bingham
|
2530cfs |
Austin Stream At Bingham
|
55cfs |
Swift River Near Roxbury
|
89cfs |
Androscoggin River At Rumford
|
2630cfs |
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.
Stump