Grist Mill Pond Dam
Massachusetts — Middlesex County — Hop Brook
Location
| State | Massachusetts |
| County | Middlesex |
| River | Hop Brook |
| Coordinates | 42.35717, -71.47570 |
Physical Characteristics
| NID Height | 18 ft |
| Dam Height | — |
| Dam Length | — |
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Surface Area | 17 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Fair |
| EAP Status | Not Required |
| Last Inspection | July 24, 2019 |
| Inspection Frequency | 10 |
Dam Information
| Year Completed | 1800 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Trustees of the Wayside Inn |
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.