San Joaquin County: lake and river algae advisories
23 waters in San Joaquin County appear in the state's harmful algal bloom records. Waters whose latest record is an advisory come first.
| Water | Latest record |
|---|---|
| Bear Creek | Caution advisory, last posted Jun 28, 2021. No all-clear recorded. |
| Brookside Lake | Visual observation, last posted Sep 13, 2024. No all-clear recorded. |
| Calaveras River | Warning advisory, last posted Jul 14, 2021. No all-clear recorded. |
| Grant Line Canal | Caution advisory, last posted Sep 17, 2026. No all-clear recorded. |
| Holland Cut | Visual observation, last posted Oct 26, 2023. No all-clear recorded. |
| Lindsey Slough | Caution advisory, last posted Aug 5, 2021. No all-clear recorded. |
| Lodi Lake | Algal mat alert sign, last posted May 4, 2023. No all-clear recorded. |
| McLeod Lake | Danger advisory, last posted Jul 9, 2021. No all-clear recorded. |
| Middle River | Caution advisory, last posted Jul 24, 2026. No all-clear recorded. |
| Mormon Slough | Danger advisory, last posted Aug 25, 2020. No all-clear recorded. |
| Oakwood Lake | Caution advisory, last posted Jun 30, 2021. No all-clear recorded. |
| Old River | Caution advisory, last posted Sep 17, 2026. No all-clear recorded. |
| Sacramento River | Caution advisory, last posted Aug 6, 2021. No all-clear recorded. |
| San Joaquin River | Danger advisory, last posted Sep 8, 2022. No all-clear recorded. |
| Smith Canal | Caution advisory, last posted Jul 21, 2022. No all-clear recorded. |
| Turner Cut | Visual observation, last posted Sep 13, 2023. No all-clear recorded. |
| Victoria Canal | Caution advisory, last posted Sep 17, 2026. No all-clear recorded. |
| Whiskey Slough | Danger advisory, last posted Jul 14, 2021. No all-clear recorded. |
| White Slough | Caution advisory, last posted Jul 21, 2021. No all-clear recorded. |
| Buckley Cove | The state's latest record, from Oct 1, 2026, recommends no advisory. |
| False River | The state's latest record, from Dec 4, 2018, recommends no advisory. |
| Little Potato Slough | The state recorded an end date of Sep 2, 2022. |
| Three Mile Slough | The state's latest record, from Dec 4, 2018, recommends no advisory. |