Upper Reservoir Dam
Upper Reservoir Dam is an earth dam located in Franklin County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
About Upper Reservoir Dam
The primary purpose of Upper Reservoir Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Ashfield Water District (local government). It impounds the Smith Brook near Ashfield.
The dam stands 17 feet tall and stretches 195 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 24 acre-feet, and collects water from a drainage area of 0 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 10/01/2021.
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Location
| State | Massachusetts |
| County | Franklin |
| Nearest City | Ashfield |
| River/Stream | Smith Brook |
| Coordinates | 42.54043, -72.82187 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Length | 195 ft |
Storage & Hydraulics
| NID Storage | 24 acre-ft |
| Max Storage | 24 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 170 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Ashfield Water District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/01/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA01256 |
| Federal ID | MA01256 |
| More Info | State Dam Safety Program |