Toxic algae in Hamilton County, New York
12 lakes and waterways have harmful algal bloom reports in New York's official data.
Lakes with bloom history
| Lake | Years with reports | Most recent |
|---|---|---|
| Raquette Lake | 5 | 2024 |
| Little Tupper Lake | 3 | 2025 |
| Blue Mountain Lake | 2 | 2024 |
| Indian Lake | 2 | 2024 |
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.
- Adirondack Lake (2025)
- Eighth Lake (2017)
- Lake Eaton (2016)
- Lake Lila (2025)
- Lake Pleasant (2012)
- Piseco Lake (2024)
- Seventh Lake (2017)
- Willis Lake (2022)
Source: New York State Department of Environmental Conservation (DEC), official data. For current conditions see the NYHABS map.