Vistron Dam
Vistron Dam is a stone dam located in Hampshire County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
About Vistron Dam
Vistron Dam is a dam in Hampshire, Massachusetts. The dam is owned by Nonotuck Mill, Llc (private). It impounds the Mill River near Northampton.
The dam stands 25 feet tall and stretches 195 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 38 acre-feet, and collects water from a drainage area of 51 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 08/17/2022.
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Location
| State | Massachusetts |
| County | Hampshire |
| Nearest City | Northampton |
| River/Stream | Mill River |
| Coordinates | 42.33007, -72.67768 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 25 ft |
| Dam Length | 195 ft |
Storage & Hydraulics
| NID Storage | 38 acre-ft |
| Max Storage | 38 acre-ft |
| Normal Storage | 11 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 51 sq mi |
| Max Discharge | 10,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Nonotuck Mill, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/17/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00759 |
| Federal ID | MA00759 |
| More Info | State Dam Safety Program |