Yolo County: lake and river algae advisories
10 waters in Yolo County appear in the state's harmful algal bloom records. Waters whose latest record is an advisory come first.
| Water | Latest record |
|---|---|
| Cache Creek | Danger advisory, last posted Sep 4, 2025. No all-clear recorded. |
| Lake Washington | Caution advisory, last posted Aug 16, 2024. No all-clear recorded. |
| Putah Creek | Caution advisory, last posted Nov 10, 2020. No all-clear recorded. |
| Stonegate Lake | Caution advisory, last posted Oct 28, 2022. No all-clear recorded. |
| Unnamed canal | Caution advisory, last posted Jul 9, 2021. No all-clear recorded. |
| Unnamed Ditch | Warning advisory, last posted May 9, 2018. No all-clear recorded. |
| Unnamed pond | Algal mat general awareness sign, last posted May 21, 2025. No all-clear recorded. |
| Fiske Creek | The state's latest record, from May 20, 2026, recommends no advisory. |
| Prospect Slough | The state's latest record, from Sep 2, 2022, recommends no advisory. |
| UC Davis Arboretum Canal | The state's latest record, from Dec 9, 2020, recommends no advisory. |