Chapman Dam
New York — St. Lawrence County — GRASS CREEK
Location
| State | New York |
| County | St. Lawrence |
| River | GRASS CREEK |
| Coordinates | 44.36167, -75.69500 |
Physical Characteristics
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 60 ft |
| NID Storage | 1,800 acre-ft |
| Max Storage | 1,800 acre-ft |
| Surface Area | 320 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | October 25, 2024 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1971 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | Murray Simons |
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.