Toxic algae in Chautauqua County, New York
7 lakes and waterways have harmful algal bloom reports in New York's official data.
Lakes with bloom history
| Lake | Years with reports | Most recent |
|---|---|---|
| Chautauqua Lake | 14 | 2025 |
| Findley Lake | 12 | 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.
- Bear Lake (2018)
- Chadakoin River (2022)
- Conewango Creek (2020)
- Lake Erie (2025)
- Walnut Creek (2025)
Source: New York State Department of Environmental Conservation (DEC), official data. For current conditions see the NYHABS map.