Fosters Pond Dam
Fosters Pond Dam is an earth dam located in Essex County, Massachusetts. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Fosters Pond Dam
The primary purpose of Fosters Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Foster's Pond Corporation (private). It impounds the Frye's Brook (inflow) To Shawsheen River Approx. 1 Mile Downstream near Andover.
The dam stands 10 feet tall and stretches 150 feet across, creates a reservoir covering 120 acres, has a maximum storage capacity of 867 acre-feet, and collects water from a drainage area of 1 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/05/2021.
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Location
| State | Massachusetts |
| County | Essex |
| Nearest City | Andover |
| River/Stream | Frye's Brook (inflow) To Shawsheen River Approx. 1 Mile Downstream |
| Coordinates | 42.61360, -71.14144 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 150 ft |
Storage & Hydraulics
| NID Storage | 867 acre-ft |
| Max Storage | 867 acre-ft |
| Normal Storage | 538 acre-ft |
| Surface Area | 120 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 227 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Foster's Pond Corporation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/05/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00153 |
| Federal ID | MA00153 |
| More Info | State Dam Safety Program |