Chapman Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| County | St. Lawrence |
| Nearest City | Nelson Corners |
| River/Stream | GRASS CREEK |
| Coordinates | 44.36167, -75.69500 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 60 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 1,800 acre-ft |
| Max Storage | 1,800 acre-ft |
| Normal Storage | 1,067 acre-ft |
| Surface Area | 320 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 560 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Murray Simons |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/25/2024 |
| Emergency Action Plan | Not Required |