Lost Wilderness Lake Southern Dam
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Massachusetts |
| County | Hampden |
| Nearest City | Tolland |
| River/Stream | Twining Brook to West Branch of Farmington River |
| Coordinates | 42.09622, -73.05549 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Length | 390 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Max Storage | 2,000 acre-ft |
| Normal Storage | 1,200 acre-ft |
| Surface Area | 134 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 159 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MA Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/28/2020 |
| Emergency Action Plan | Yes |