Winona Pond Dam
Winona Pond Dam is an earth dam located in Essex County, Massachusetts, built in 1971. It carries a High hazard potential classification and has a fair condition assessment.
About Winona Pond Dam
The primary purpose of Winona Pond Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Peabody (local government). It impounds the Norris Brook near Peabody.
The dam stands 23 feet tall and stretches 6,025 feet across, creates a reservoir covering 91 acres, has a maximum storage capacity of 1,980 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/17/2023.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Massachusetts dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Massachusetts |
| County | Essex |
| Nearest City | Peabody |
| River/Stream | Norris Brook |
| Coordinates | 42.53802, -71.00836 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Length | 6,025 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 1,980 acre-ft |
| Max Storage | 1,980 acre-ft |
| Normal Storage | 1,280 acre-ft |
| Surface Area | 91 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 755 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Peabody |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/17/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00726 |
| Federal ID | MA00726 |
| More Info | State Dam Safety Program |