Long Hill Reservoir Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Connecticut |
| County | New Haven |
| Nearest City | WOODBRIDGE |
| River/Stream | BEACON HILL BROOK |
| Coordinates | 41.46620, -72.98669 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 80 ft |
| Dam Height | 80 ft |
| Dam Length | 890 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 2,148 acre-ft |
| Max Storage | 2,140 acre-ft |
| Normal Storage | 2,148 acre-ft |
| Surface Area | 87 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,130 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Connecticut Water Company |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/12/2024 |
| Emergency Action Plan | Yes |