Toxic algae in Del Norte County, California
7 lakes and waterways have harmful algal bloom reports in California's official data.
Lakes with bloom history
| Lake | Years with reports | Most recent |
|---|---|---|
| Klamath River | 2 | 2026 |
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.
- Elk Creek (2026)
- Illinois River (2026)
- Junior Creek (2026)
- Pond #1 On Klamath River Overflow Channel (2024)
- Smith River (2026)
- Waukell Creek (2026)
Source: California State Water Resources Control Board, official data. For current conditions see the California HABs Portal map.