Wellesley Avenue Dam
Wellesley Avenue Dam is a stone dam located in Norfolk County, Massachusetts. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Wellesley Avenue Dam
The primary purpose of Wellesley Avenue 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 Town Of Wellesley (local government). It impounds the Rosemary Brook near Wellesley.
The dam stands 11 feet tall and stretches 120 feet across, creates a reservoir covering 54 acres, has a maximum storage capacity of 358 acre-feet, and collects water from a drainage area of 2 square miles.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/28/2019.
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Location
| State | Massachusetts |
| County | Norfolk |
| Nearest City | Wellesley |
| River/Stream | Rosemary Brook |
| Coordinates | 42.30362, -71.25130 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 11 ft |
| Dam Length | 120 ft |
Storage & Hydraulics
| NID Storage | 358 acre-ft |
| Max Storage | 358 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 54 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Town of Wellesley |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/28/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA03186 |
| Federal ID | MA03186 |
| More Info | State Dam Safety Program |