Guilford Reservoir Report
Nearby: Gordon's Pond Manhanock Pond
Last Updated: December 19, 2025
Guilford, located in Piscataquis County, Maine, is home to a concrete dam on the Piscataquis River that was completed in 1963.
°F
°F
mph
Wind
%
Humidity
Summary
This dam serves various purposes, including providing storage of 165 acre-feet of water, with a normal storage capacity of 120 acre-feet. With a dam height of 12 feet and a length of 169 feet, Guilford dam plays a crucial role in the local water resource management, covering a surface area of 2 acres and draining a watershed area of 295 square miles.
Managed by a private owner, Guilford dam is regulated by the Maine Emergency Management Agency (MEMA), ensuring that state permitting, inspection, and enforcement requirements are met. Despite being classified as having a low hazard potential, the dam's condition assessment is currently listed as "Not Rated", suggesting that further evaluation may be needed to assess its overall structural integrity. With a spillway width of 6 feet and an inspection frequency of 12 months, Guilford dam remains a key infrastructure in the region's water resource and climate management efforts.
As an essential component of the water infrastructure in the area, Guilford dam contributes to the overall water resource management and flood control measures in the region. With its strategic location on the Piscataquis River and its ability to store significant amounts of water, this concrete dam serves as a critical asset for the community. While its condition assessment is yet to be rated, ongoing inspections and regulatory oversight by MEMA help ensure the safety and functionality of Guilford dam for the benefit of both local residents and the environment.
Year Completed |
1963 |
Dam Length |
169 |
Dam Height |
12 |
River Or Stream |
Piscataquis River |
Primary Dam Type |
Concrete |
Surface Area |
2 |
Hydraulic Height |
12 |
Drainage Area |
295 |
Nid Storage |
165 |
Structural Height |
12 |
Hazard Potential |
Low |
Nid Height |
12 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Kingsbury Stream At Abbot Village
|
60cfs |
Piscataquis River Near Dover-Foxcroft
|
341cfs |
Piscataquis River At Blanchard
|
67cfs |
Austin Stream At Bingham
|
55cfs |
Kennebec River At Bingham
|
2680cfs |
Piscataquis River At Medford
|
880cfs |
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.
Guilford