Grist Mill Dam
Massachusetts — Middlesex County — Cold Spring Brook
Location
| State | Massachusetts |
| County | Middlesex |
| River | Cold Spring Brook |
| Coordinates | 42.21846, -71.48032 |
Physical Characteristics
| NID Height | 10 ft |
| Dam Height | — |
| Dam Length | 75 ft |
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Surface Area | 24 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Poor |
| EAP Status | Not Required |
| Last Inspection | July 31, 2023 |
| Inspection Frequency | 10 |
Dam Information
| Year Completed | — |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Town of Hopkinton |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.