Lake Baron: toxic algae advisories
Lake Baron, El Dorado County. See all El Dorado County waters.
What the state's records say
Caution advisory, last posted Dec 13, 2021. No all-clear recorded.
2 reported spots here have an advisory with no all-clear recorded.
Reporting is voluntary, so the state may not have recorded an end even if conditions changed. Check posted signs and the official map.
What this level asks: Algae that can make toxins may be present. Keep people, children and pets away from algae and scum, and do not let pets drink the water.
Before you go, check the state's official algae page and any signs posted at the water.
Dogs at Lake Baron
The state has an advisory on file for Lake Baron (Caution advisory), last posted Dec 13, 2021, and no all-clear recorded. Keep your dog out of the water and away from scum on the shore until the state records an end.
Reported spots
The state records each report at a spot, such as a beach or a boat ramp. Each spot's latest deciding record:
| Spot | Status |
|---|---|
| boat ramp (634BRN001) | The state's latest record, from Oct 7, 2026, recommends no advisory. |
| South East Corner | The state's latest record, from Oct 19, 2023, recommends no advisory. |
| Boat Ramp | The state's latest record, from Oct 19, 2023, recommends no advisory. |
| Tahoe Paradise Park | The state's latest record, from May 8, 2023, recommends no advisory. |
| Boat Ramp | The state's latest record, from Sep 7, 2022, recommends no advisory. |
| South East Corner | The state's latest record, from Sep 7, 2022, recommends no advisory. |
| Spot not described | Caution advisory, last posted Dec 13, 2021. No all-clear recorded. |
| Tahoe Paradise Park | Caution advisory, last posted Sep 24, 2021. No all-clear recorded. |
Advisory history
Every advisory record the state has published for Lake Baron, newest first. "None" is the state's record that no advisory was recommended on that date. "NA" records do not change a status.
| Date | Spot | State's level | Notes |
|---|---|---|---|
| Oct 7, 2026 | boat ramp (634BRN001) | None | Advisory based on visual and toxins |
| Aug 21, 2026 | boat ramp (634BRN001) | Visual observation | Testing results below posting triggers; visual monitoring based advisory |
| Jun 25, 2026 | boat ramp (634BRN001) | None | Advisory based on visual and toxins |
| Oct 14, 2025 | boat ramp (634BRN001) | None | Confirmed no bloom |
| Aug 22, 2025 | boat ramp (634BRN001) | Caution | Advisory based on visual and toxins |
| Aug 22, 2025 | boat ramp (634BRN001) | Warning | Advisory based on visual and toxins |
| Jun 26, 2025 | boat ramp (634BRN001) | None | Testing results below posting triggers |
| Oct 9, 2024 | boat ramp (634BRN001) | None | Updates from routine monitoring program-organization |
| Aug 28, 2024 | boat ramp (634BRN001) | None | Updates from routine monitoring program-organization |
| Jul 18, 2024 | boat ramp (634BRN001) | None | Updates from routine monitoring program-organization |
| Oct 19, 2023 | South East Corner | None | Lake-wide advisory; Testing results below posting triggers; Visual monitoring only-present bloom |
| Oct 19, 2023 | Boat Ramp | None | Lake-wide advisory; Testing results below posting triggers |
| Jul 6, 2023 | South East Corner | Caution | Lake-wide advisory; Testing results below posting triggers; Visual monitoring only-present bloom |
| Jul 6, 2023 | Boat Ramp | Caution | Lake-wide advisory; Testing results below posting triggers |
| May 8, 2023 | Tahoe Paradise Park | None | Suspected illness reported |
| May 8, 2023 | Tahoe Paradise Park | Caution | Suspected illness reported |
| Sep 7, 2022 | Boat Ramp | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Sep 7, 2022 | South East Corner | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Sep 7, 2022 | Boat Ramp | None | Testing results below posting triggers |
| Jun 28, 2022 | South East Corner | None | Updates from routine monitoring program-organization |
| Jun 28, 2022 | Boat Ramp | None | Testing results below posting triggers |
| May 27, 2022 | South East Corner | None | Updates from routine monitoring program-organization |
| May 27, 2022 | Boat Ramp | None | Updates from routine monitoring program-organization |
| Dec 13, 2021 | Spot not described | Caution | Advisory based on visual and toxins |
| Sep 24, 2021 | Tahoe Paradise Park | Caution | Advisory based on visual and toxins |
Source
Advisory data: California State Water Resources Control Board, Freshwater Harmful Algal Bloom Program, via data.ca.gov (public domain). Advisories are recommendations; reporting is voluntary and incomplete. The state's data. An advisory ends only when the state records a later "None" (no advisory recommended) at the same spot, or an end date. A blank end date is unknown.