New York Dams
1,871 dams tracked by the National Inventory of Dams
Total Dams
1,871
High Hazard
419
22.4%
Poor / Unsatisfactory
289
Average Age
89 yrs
Hazard Classification
High419 (22.4%)
Significant544 (29.1%)
Low901 (48.2%)
Condition Assessment
Satisfactory348 (18.6%)
Fair98 (5.2%)
Poor / Unsatisfactory289 (15.4%)
Not Rated1,136 (60.7%)
Federal
26
State
281
Local
506
Private
785
Tallest Dams
- Mount Morris Dam249 ft
- Ashokan Dam213 ft
- Downsville Dam204 ft
- Merriman Dam195 ft
- Neversink Reservoir Dam190 ft
High Hazard Dams
- Mount Morris DamHigh
- Ashokan DamHigh
- Downsville DamHigh
- Merriman DamHigh
- Neversink Reservoir DamHigh
Poor Condition Dams
- Inghams DamPoor
- Toronto Unsatisfactory
- Mill Brook Site 2 DamPoor
- Sidney Reservoir #5 DamPoor
- 60 Foot DamPoor
All Dams in New York
Showing 1151–1175 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Holley Waste Weir Dam Orleans County | 15 | 1918 | Low | Not Rated |
| Hollenbeck & Wilkins Pond Dam Steuben County | 7 | 1956 | Low | Not Rated |
| Holimont Upper Reservoir Dam Cattaraugus County | 35 | 2003 | High | Satisfactory |
| Holcomb Pond Dam Sullivan County | 10 | 1933 | Significant | Not Rated |
| Holbrook Pond Dam Otsego County | 20 | 2002 | Low | Not Rated |
| Hoffman Creek Dam Chemung County | 36 | 1871 | High | Poor |
| Hoag Pond Dam Chautauqua County | 21 | 1952 | Low | Not Rated |
| Hinckley Herkimer County | 83 | 1914 | High | Satisfactory |
| Hillview Reservoir Dam Westchester County | 90 | 1915 | High | Not Rated |
| Hillside Pond Dam Sullivan County | 32 | 1995 | Low | Not Rated |
| Hillside Lake Dam Dutchess County | 9 | 1934 | Significant | Poor |
| Hilldale Pond Dam Sullivan County | 12 | 1910 | Low | Not Rated |
| Hill and Hollow Country Estates Dam Dutchess County | 9 | 1956 | Significant | Not Rated |
| Hillabrandt Vly Dam Fulton County | 12 | — | Low | Not Rated |
| Higley St. Lawrence County | 37 | 1925 | High | Satisfactory |
| Higinbotham Brook Watershed Dam Madison County | 53 | 1978 | High | Satisfactory |
| High Mountain Retention Basin Dam Chemung County | 10 | — | Low | Not Rated |
| Highland Water Dist Res Dam & Dike Ulster County | 18 | 1939 | Significant | Not Rated |
| Highlands Forge Lake Dam Essex County | 8 | 1911 | Low | Not Rated |
| Highland Park Reservoir Dam Monroe County | 28 | 1875 | High | Satisfactory |
| Highland Lower Reservoir Dam Ulster County | 12 | 1916 | Significant | Not Rated |
| Highland Lake Dam Orange County | 30 | 1920 | High | Fair |
| Highland Glens INC Dam Site #2 Wyoming County | 17 | 1966 | Low | Not Rated |
| Highland Field and Stream Club INC Dam Sullivan County | 12 | 1986 | Low | Not Rated |
| Highland Falls #2 Dam Orange County | 30 | 1909 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.