Fairport Spillway Dam is a concrete dam located in Monroe County, New York. It carries a High hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 76 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Fairport Spillway Dam
The primary purpose of Fairport Spillway Dam is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by New York State Canal Corporation (state). It impounds the Thomas Creek near Fairport.
The dam stands 15 feet tall and stretches 76 feet across, creates a reservoir covering 239 acres, has a maximum storage capacity of 3,320 acre-feet, and collects water from a drainage area of 0 square miles.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 02/29/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New York dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New York |
| County | Monroe |
| Nearest City | Fairport |
| River/Stream | Thomas Creek |
| Coordinates | 43.10111, -77.43972 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 76 ft |
Storage & Hydraulics
| NID Storage | 3,320 acre-ft |
| Max Storage | 3,320 acre-ft |
| Normal Storage | 2,300 acre-ft |
| Surface Area | 239 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 543 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Navigation |
| Owner | New York State Canal Corporation |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Not assessed |
| Last Inspection | 02/29/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY17175 |
| Federal ID | NY17175 |
| More Info | State Dam Safety Program |