Johnsonville
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | New York |
| County | Rensselaer |
| Nearest City | Johnsonville |
| River/Stream | Hoosic River |
| Coordinates | 42.91970, -73.50840 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 529 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 6,430 acre-ft |
| Max Storage | 6,430 acre-ft |
| Normal Storage | 6,430 acre-ft |
| Surface Area | 450 acres |
| Drainage Area | 604 sq mi |
| Max Discharge | 11,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Erie Boulevard Hydropower, L.P. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/20/2022 |
| Emergency Action Plan | Yes |