10Total Dams
6High Hazard
1Significant
Dam Safety in Niagara County, New York
Niagara County has 10 dams tracked in the National Inventory of Dams. Of these, 6 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in Niagara County is 96 years old. The most common purpose is navigation. The tallest dam is Lewiston at 155 ft.
Explore more: Oldest dams in New York · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lewiston | High | Satisfactory | 155 | Hydroelectric | 1963 |
| Robert Moses - Niagara | High | Satisfactory | 97 | Hydroelectric | 1963 |
| Burt Dam | High | Satisfactory | 49 | Hydroelectric | 1924 |
| Maybees Waste Weir Dam | High | Not assessed | 21 | Navigation | 1918 |
| Middleport Waste Weir Dam | High | Not assessed | 17 | Navigation | 1918 |
| Halls Waste Weir Dam | High | Not assessed | 17 | Navigation | 1918 |
| Newfane Dam | Significant | Poor | 14 | Other | 1912 |
| Middleport Reservoir Dam | Low | Not assessed | 21 | Water Supply | 1931 |
| Watsons Waste Weir Dam | Low | Not assessed | 16 | Navigation | 1918 |
| Gill Creek Dam | Low | Not assessed | 12 | Recreation | 1927 |