Hewittville
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | New York |
| County | St. Lawrence |
| Nearest City | Unionville |
| River/Stream | Raquette River |
| Coordinates | 44.70400, -75.00780 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 615 ft |
| Year Completed | 1870 (156 years old) |
Storage & Hydraulics
| NID Storage | 360 acre-ft |
| Max Storage | 360 acre-ft |
| Normal Storage | 360 acre-ft |
| Surface Area | 109 acres |
| Drainage Area | 1,036 sq mi |
| Max Discharge | 11,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Erie Boulevard Hydropower, L.P. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/15/2019 |
| Emergency Action Plan | Not Required |