High Hill Reservoir Dam
High Hill Reservoir Dam is a concrete dam located in Bristol County, Massachusetts, built in 1898. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About High Hill Reservoir Dam
The primary purpose of High Hill Reservoir 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 New Bedford (local government). It impounds the None near Dartmouth.
The dam stands 25 feet tall and stretches 1,000 feet across, creates a reservoir covering 11 acres, and has a maximum storage capacity of 250 acre-feet. Completed in 1898, the structure is over a century old.
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. The most recent inspection on record was 04/21/2023.
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Location
| State | Massachusetts |
| County | Bristol |
| Nearest City | Dartmouth |
| River/Stream | None |
| Coordinates | 41.68904, -70.99143 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 25 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1898 (128 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 205 acre-ft |
| Surface Area | 11 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of New Bedford |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/21/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA00772 |
| Federal ID | MA00772 |
| More Info | State Dam Safety Program |