Middleport Waste Weir Dam
High HazardNot Rated ConditionEmergency Action Plan: Yes
Location
| County | Niagara |
| River/Stream | Middleport Creek |
| Coordinates | 43.21192, -78.47967 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 158 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 10,488 acre-ft |
| Max Storage | 10,488 acre-ft |
| Normal Storage | 8,640 acre-ft |
| Surface Area | 890 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 915 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Navigation |
| Owner | New York State Canal Corporation |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 03/14/2024 |
| Emergency Action Plan | Yes |