Accord Pond Dam
Accord Pond Dam is an earth dam located in Plymouth County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
About Accord Pond Dam
The primary purpose of Accord 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 Aquarion Water Company Of Massachusetts Inc. (private). It impounds the Accord Brook near Hingham.
The dam stands 10 feet tall and stretches 300 feet across, creates a reservoir covering 100 acres, has a maximum storage capacity of 985 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 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 04/10/2019.
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Location
| State | Massachusetts |
| County | Plymouth |
| Nearest City | Hingham |
| River/Stream | Accord Brook |
| Coordinates | 42.17423, -70.88938 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 300 ft |
Storage & Hydraulics
| NID Storage | 985 acre-ft |
| Max Storage | 985 acre-ft |
| Normal Storage | 845 acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Aquarion Water Company of Massachusetts Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/10/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00430 |
| Federal ID | MA00430 |
| More Info | State Dam Safety Program |