Toxic algae in Otsego County, New York
11 lakes and waterways have harmful algal bloom reports in New York's official data.
Lakes with bloom history
| Lake | Years with reports | Most recent |
|---|---|---|
| Canadarago Lake | 8 | 2025 |
| Gilbert Lake | 4 | 2025 |
| Otsego Lake | 4 | 2025 |
Other waterbodies with a report
These have one or two reports in a single year, so there isn't enough history for a page of their own yet.
- Allen Lake (2025)
- Allens Pond (2016)
- Arnold Lake (2022)
- Buck Horn Lake (2022)
- Clarke Pond (2024)
- Shadow Brook (2022)
- Unadilla River (2024)
- Wilber Lake (2020)
Source: New York State Department of Environmental Conservation (DEC), official data. For current conditions see the NYHABS map.