Wedge Pond Dam
Wedge Pond Dam is an earth dam located in Middlesex County, Massachusetts, built in 1900. It carries a Low hazard potential classification and has a fair condition assessment.
About Wedge Pond Dam
The primary purpose of Wedge Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Winchester (local government). It impounds the Horn Pond Dam (tributary Of Aberjona River) near Winchester.
The dam stands 9 feet tall and stretches 60 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 490 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1900, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 10/06/2020.
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Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Winchester |
| River/Stream | Horn Pond Dam (tributary Of Aberjona River) |
| Coordinates | 42.45570, -71.13826 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Length | 60 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 490 acre-ft |
| Max Storage | 490 acre-ft |
| Normal Storage | 168 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 10 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Winchester |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/06/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA01125 |
| Federal ID | MA01125 |
| More Info | State Dam Safety Program |