Navigation Dams in New York
New York has 56 navigation dams, of which 28 carry a high hazard classification. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Delta Dam | Oneida | 106 | High | Fair | 1912 |
| 2 | Deruyter Dam | Onondaga | 68 | High | Satisfactory | 1863 |
| 3 | Eaton Brook Reservoir Dam | Madison | 58 | High | Poor | 1893 |
| 4 | Lake Moraine Dam | Madison | 56 | High | Poor | 1836 |
| 5 | Erieville Reservoir Dam | Madison | 55 | High | Fair | 1850 |
| 6 | Jamesville Reservoir Dam | Onondaga | 53 | High | Poor | 1874 |
| 7 | Lock 32 Dam Erie Canal | Monroe | 40 | High | Poor | 1908 |
| 8 | North Lake B Dam | Herkimer | 35 | High | Not Rated | 1850 |
| 9 | Lock E-4 Embankment Dam | Saratoga | 34 | High | Not Rated | 1915 |
| 10 | Sluice Gate E-6 Parking Lot Dam | Saratoga | 33 | High | Satisfactory | 1918 |
| 11 | Sand Lake Dam | Herkimer | 30 | Low | Not Rated | 1901 |
| 12 | Dam At Lock E 26 | Wayne | 28 | Low | Not Rated | 1910 |
| 13 | North Lake C Dam | Herkimer | 27 | High | Satisfactory | 1850 |
| 14 | Albion Waste Gate & Weir Dam | Orleans | 26 | Significant | Not Rated | 1911 |
| 15 | Lock E-5 Spillway Dam | Saratoga | 26 | High | Satisfactory | 1918 |
| 16 | Woodhull Lake Dam | Herkimer | 25 | High | Satisfactory | 1853 |
| 17 | Utica Harbor Dam | Oneida | 24 | Low | Not Rated | 1912 |
| 18 | Lock C-1 Dam At Waterford | Saratoga | 24 | Low | Not Rated | 1912 |
| 19 | Adams Basin Waste Weir Dam | Monroe | 23 | High | Not Rated | 1918 |
| 20 | Maybees Waste Weir Dam | Niagara | 21 | High | Not Rated | 1918 |
| 21 | Troy Lock And Dam 1 | Albany | 20 | Significant | Not Available | 1915 |
| 22 | Mud Lock C&s Canal Dam | Cayuga | 20 | High | Poor | 1912 |
| 23 | Lock E-10 Dam At Cranesville | Montgomery | 20 | Significant | Not Rated | |
| 24 | Lock E-11 Dam At Amsterdam | Montgomery | 20 | Significant | Not Rated | 1910 |
| 25 | Lock E-12 Dam At Tribes Hill | Montgomery | 20 | Significant | Not Rated | 1910 |
| 26 | Lock E-9 Dam At Rotterdam Jct | Schenectady | 20 | Significant | Not Rated | |
| 27 | Brockport Waste Weir Dam | Monroe | 19 | High | Not Rated | |
| 28 | S. Greece Waste Weir Dam | Monroe | 19 | High | Poor | 1918 |
| 29 | Cartersville Spillway Dam | Monroe | 18 | High | Not Rated | 1918 |
| 30 | Lock E-14 Dam At Canajoharie | Montgomery | 18 | Significant | Not Rated | 1910 |
| 31 | Lock E-13 Dam At Fonda-fultonville | Montgomery | 18 | Significant | Not Rated | 1910 |
| 32 | Lock E-15 Dam At Fort Plain | Montgomery | 18 | Significant | Not Rated | 1910 |
| 33 | Hawkinsville Dam | Oneida | 18 | Low | Not Rated | 1915 |
| 34 | Eagle Harbor Waste Weir Dam | Orleans | 18 | High | Not Rated | 1918 |
| 35 | Lock E-3 Spillway Bypass Dam | Saratoga | 18 | High | Satisfactory | 1918 |
| 36 | Bushnells Basin Sluice Gate Dam | Monroe | 17 | High | Not Rated | 1918 |
| 37 | Spencerport Waste Weir Dam | Monroe | 17 | High | Not Rated | 1918 |
| 38 | Middleport Waste Weir Dam | Niagara | 17 | High | Not Rated | 1918 |
| 39 | Halls Waste Weir Dam | Niagara | 17 | High | Not Rated | 1918 |
| 40 | Lock C-9 Dam | Washington | 17 | Low | Not Rated | 1907 |
| 41 | Watsons Waste Weir Dam | Niagara | 16 | Low | Not Rated | 1918 |
| 42 | Brockville Waste Weir Dam | Orleans | 16 | Significant | Not Rated | 1918 |
| 43 | Lock E-8 Dam At Scotia | Schenectady | 16 | Low | Not Rated | 1910 |
| 44 | Northumberland Dam | Washington | 16 | Low | Not Rated | 1870 |
| 45 | Harrison Spillway Dam | Wayne | 16 | High | Poor | 1918 |
| 46 | North Lake A Dam (spillway) | Herkimer | 15 | Low | Not Rated | 1850 |
| 47 | Fairport Spillway Dam | Monroe | 15 | High | Not Rated | |
| 48 | Holley Waste Weir Dam | Orleans | 15 | Low | Not Rated | 1918 |
| 49 | Caughdenoy Dam | Oswego | 15 | Low | Not Rated | 1909 |
| 50 | Thompson Island Dam | Saratoga | 15 | Low | Not Rated | 1910 |
| 51 | Spillway E-2 Bypass Dam | Saratoga | 15 | High | Satisfactory | 1918 |
| 52 | Lock C-11 Dam | Washington | 15 | Significant | Satisfactory | 1910 |
| 53 | Movable Dam At Mays Point | Seneca | 10 | Low | Not Rated | 1915 |
| 54 | Carthage State Dam | Jefferson | 8 | Low | Not Rated | 1854 |
| 55 | Movable Dam At Herkimer | Herkimer | 6 | Significant | Not Rated | 1915 |
| 56 | Movable Dam At Rocky Rift | Herkimer | 6 | Significant | Not Rated | 1926 |