Long Pond Dam
Low HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Ayer |
| River/Stream | Tributary of Cold Spring Brook |
| Coordinates | 42.56562, -71.54598 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Length | 190 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 330 acre-ft |
| Max Storage | 330 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 60 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Ayer |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/14/2015 |
| Emergency Action Plan | Not Required |