Long Pond Dam
Massachusetts — Middlesex County — Tributary of Cold Spring Brook
Location
| State | Massachusetts |
| County | Middlesex |
| River | Tributary of Cold Spring Brook |
| Coordinates | 42.56562, -71.54598 |
Physical Characteristics
| NID Height | 8 ft |
| Dam Height | — |
| Dam Length | 190 ft |
| NID Storage | 330 acre-ft |
| Max Storage | 330 acre-ft |
| Surface Area | 60 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Fair |
| EAP Status | Not Required |
| Last Inspection | October 14, 2015 |
| Inspection Frequency | 10 |
Dam Information
| Year Completed | 1900 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Town of Ayer |
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.