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 1676–1700 of 1,871
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Builders Land Company Dam Orange County | 25 | 1928 | Low | Not Rated |
| Buck Ridge Rod & Gun Club Dam Sullivan County | 17 | 1988 | Low | Not Rated |
| Buck Lake Dam Oneida County | 12 | — | Low | Not Rated |
| Buck Horn Lake Dam Otsego County | 12 | 1949 | Low | Not Rated |
| Bruce Persson Dam Delaware County | 27 | 1999 | Significant | Poor |
| Brs Development Dam Delaware County | 16 | 1987 | Low | Not Rated |
| Browns Reservoir Dam Westchester County | 48 | 1924 | High | Satisfactory |
| Browns Falls St. Lawrence County | 70 | 1922 | High | Satisfactory |
| Broome Corporate Park Pond Dam #2 Broome County | 13 | 1986 | High | Fair |
| Brookville Subdivision Dam Monroe County | 13 | 1990 | Significant | Not Rated |
| Brooks Pond Dam Richmond County | 20 | — | Significant | Not Rated |
| Brooks Lake Dam Orange County | 10 | — | Significant | Fair |
| Brookside Reservoir Dam Montgomery County | 50 | 1882 | High | Satisfactory |
| Bronx River Dam (North) Bronx County | 18 | 1900 | Significant | Not Rated |
| Bronck Lake Dam Greene County | 14 | 1941 | Low | Not Rated |
| Brocton Reservoir Dam Chautauqua County | 52 | 1952 | High | Fair |
| Brockville Waste Weir Dam Orleans County | 16 | 1918 | Significant | Not Rated |
| Brockport Waste Weir Dam Monroe County | 19 | — | High | Not Rated |
| Broccy Creek Dam Westchester County | 7 | 1990 | Low | Not Rated |
| Briscoe Lake Dam Sullivan County | 11 | 1828 | Low | Not Rated |
| Bridgeview Plaza Dam Ulster County | 5 | — | Significant | Not Rated |
| Breakneck Pond Dam Rockland County | 20 | 1930 | Low | Not Rated |
| Brant Lake Upper Dam Warren County | 12 | 1908 | Significant | Satisfactory |
| Brant Lake Lower Dam Warren County | 18 | 1907 | Significant | Satisfactory |
| Brantingham Lake Dam Lewis County | 10 | 1914 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.