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 351–375 of 901
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Highlands Forge Lake Dam Essex County | 8 | 1911 | Low | Not Rated |
| High Mountain Retention Basin Dam Chemung County | 10 | — | Low | Not Rated |
| Hillabrandt Vly Dam Fulton County | 12 | — | Low | Not Rated |
| Hilldale Pond Dam Sullivan County | 12 | 1910 | Low | Not Rated |
| Hillside Pond Dam Sullivan County | 32 | 1995 | Low | Not Rated |
| Hoag Pond Dam Chautauqua County | 21 | 1952 | Low | Not Rated |
| Holbrook Pond Dam Otsego County | 20 | 2002 | Low | Not Rated |
| Hollenbeck & Wilkins Pond Dam Steuben County | 7 | 1956 | Low | Not Rated |
| Holley Waste Weir Dam Orleans County | 15 | 1918 | Low | Not Rated |
| Hollowbrook Golf Club Pond #2 Dam Westchester County | 11 | 2003 | Low | Not Rated |
| Hollow Dam St. Lawrence County | 31 | 1987 | Low | Satisfactory |
| Honeyville Marsh Dam Jefferson County | 8 | 1957 | Low | Not Rated |
| Hoosick Falls Dam Rensselaer County | 22 | 1890 | Low | Not Rated |
| Hornell Reservoir #1 Dam Steuben County | 48 | 1936 | Low | Not Rated |
| Hornell Reservoir #2 Dam Steuben County | 30 | 1918 | Low | Not Rated |
| Hornell Reservoir #3 Dam Steuben County | 71 | 1931 | Low | Not Rated |
| Howard Stewart Dam Sullivan County | 10 | — | Low | Not Rated |
| H Tigler Wildlife Dam Cattaraugus County | 7 | — | Low | Not Rated |
| Huehnel Pond Dam Columbia County | 21 | — | Low | Not Rated |
| Huggins Lake Dam Delaware County | 10 | 1962 | Low | Not Rated |
| Hugh Hunter Recreational Pond Dam Monroe County | 15 | 1973 | Low | Not Rated |
| Hull Pond Dam Sullivan County | 18 | 1925 | Low | Not Rated |
| Hunter Lake Dam Sullivan County | 8 | 1980 | Low | Not Rated |
| Huntley Dam Broome County | 16 | 1964 | Low | Not Rated |
| Hunts Pond Dam Chenango County | 23 | 1940 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.