Toxic algae in Mono County, California
27 lakes and waterways have harmful algal bloom reports in California's official data.
Lakes with bloom history
| Lake | Years with reports | Most recent |
|---|---|---|
| Bridgeport Reservoir | 6 | 2024 |
| Lake Crowley | 6 | 2023 |
| Gull Lake | 3 | 2023 |
| Topaz Lake | 4 | 2023 |
| Crowley Lake | 3 | 2026 |
| Grant Lake | 2 | 2023 |
| June Lake | 3 | 2023 |
| Silver Lake | 3 | 2023 |
| West Walker River | 2 | 2025 |
| Deadman Creek | 2 | 2025 |
| East Walker River | 2 | 2025 |
| Lake Mary | 2 | 2022 |
| Virginia Creek | 2 | 2023 |
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.
- Adobe Creek (2023)
- Barney Lake (2022)
- Cottonwood Creek (2025)
- Crystal Lake (2021)
- Hummingbird Lake (2021)
- Koenig Lake Creek (2023)
- Lost Lake (2025)
- Marble Creek (2024)
- Mono Lake (2017)
- Odell Lake (2021)
- Poore Creek (2022)
- Rock Creek (2021)
- Ruby Lake (2021)
- Sardine Creek (2021)
Source: California State Water Resources Control Board, official data. For current conditions see the California HABs Portal map.