Pyrites Intake
New York — St. Lawrence County — Grass River
Location
| State | New York |
| County | St. Lawrence |
| River | Grass River |
| Coordinates | 44.51650, -75.18770 |
Physical Characteristics
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 385 ft |
| NID Storage | 27 acre-ft |
| Max Storage | 27 acre-ft |
| Surface Area | 5 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | June 15, 2022 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1908 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | Pyrites Hydro, LLC |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.