Pittsfield Sewage Lagoon Reservoir Report
Last Updated: December 17, 2025
Located in the scenic town of Pittsfield, New Hampshire, the Pittsfield Sewage Lagoon stands as a crucial water resource managed by the local government.
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Summary
This Earth dam, completed in 1997, serves a primary purpose beyond traditional flood control, highlighting its significance in wastewater management. With a storage capacity of 38.8 acre-feet and a surface area of 5.33 acres, this lagoon plays a pivotal role in maintaining the environmental quality of the area.
Regulated by the New Hampshire Department of Environmental Services Dam Bureau, the Pittsfield Sewage Lagoon undergoes regular inspections to ensure its structural integrity and operational efficiency. Despite its significant hazard potential, the dam's condition assessment remains satisfactory, reassuring the community of its safety. With a high-risk assessment designation, the lagoon's risk management measures are continuously monitored to mitigate any potential threats and uphold public safety standards.
Enthusiasts of water resources and climate management can appreciate the Pittsfield Sewage Lagoon as a vital infrastructure in the region. With its strategic location and essential role in wastewater treatment, this facility exemplifies the intersection of environmental stewardship and community infrastructure, showcasing the importance of responsible water resource management in a changing climate landscape.
Year Completed |
1997 |
Dam Length |
1800 |
Dam Height |
18 |
River Or Stream |
NA |
Primary Dam Type |
Earth |
Surface Area |
5.33 |
Nid Storage |
38.8 |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
18 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Suncook River At North Chichester
|
62cfs |
Soucook River
|
22cfs |
Winnipesaukee River At Tilton
|
85cfs |
Cocheco River Near Rochester
|
23cfs |
Blackwater River Near Webster
|
19cfs |
Isinglass R At Rochester Neck Rd
|
20cfs |
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.
Pittsfield Sewage Lagoon
Suncook River boat launch
Sewall'S Island To Manchester Street Bridge