Kaweah Lake: toxic algae advisories
Kaweah Lake, Tulare County. See all Tulare County waters.
What the state's records say
Algal mat general awareness sign, last posted Oct 16, 2024. 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: The state recorded an advisory of a type outside the Caution, Warning and Danger levels. Read the sign posted at the water.
Before you go, check the state's official algae page and any signs posted at the water.
Dogs at Kaweah Lake
The state has an advisory on file for Kaweah Lake (Algal mat general awareness sign), last posted Oct 16, 2024, 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 |
|---|---|
| Slick Rock | The state's latest record, from Oct 13, 2026, recommends no advisory. |
| Boat Ramp | Algal mat general awareness sign, last posted Oct 16, 2024. No all-clear recorded. |
| Slick Rock Boating Dock Bathrooms | The state's latest record, from Nov 1, 2022, recommends no advisory. |
Advisory history
Every advisory record the state has published for Kaweah Lake, 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 13, 2026 | Slick Rock | None | Updates from routine monitoring program-organization |
| Sep 4, 2026 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 29, 2026 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 29, 2026 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Oct 9, 2025 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Sep 24, 2025 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Sep 11, 2025 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 26, 2025 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 14, 2025 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 30, 2025 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 17, 2025 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 30, 2025 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 30, 2025 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Oct 16, 2024 | Slick Rock | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Oct 16, 2024 | Boat Ramp | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Oct 3, 2024 | Boat Ramp | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Oct 3, 2024 | Slick Rock | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 18, 2024 | Slick Rock | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 18, 2024 | Boat Ramp | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 6, 2024 | Slick Rock | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 6, 2024 | Slick Rock | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 6, 2024 | Boat Ramp | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 23, 2024 | Slick Rock | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Aug 23, 2024 | Boat Ramp | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 6, 2024 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 6, 2024 | Boat Ramp | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 24, 2024 | Boat Ramp | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 24, 2024 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 12, 2024 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 12, 2024 | Boat Ramp | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 27, 2024 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 27, 2024 | Boat Ramp | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| May 15, 2024 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| May 15, 2024 | Boat Ramp | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Oct 13, 2023 | Slick Rock | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Oct 13, 2023 | Boat Ramp | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Nov 1, 2022 | Slick Rock Boating Dock Bathrooms | None | Updates from routine monitoring program-organization |
| Oct 17, 2022 | Slick Rock Boating Dock Bathrooms | Algal mat general awareness sign | Updates from routine monitoring program-organization; visual monitoring based advisory |
| Sep 28, 2022 | Slick Rock Boating Dock Bathrooms | Algal mat general awareness sign | Updates from routine monitoring program-organization; visual monitoring based advisory |
| Sep 27, 2022 | Slick Rock Boating Dock Bathrooms | Algal mat general awareness sign | Updates from routine monitoring program-organization; visual monitoring based advisory |
| Sep 15, 2022 | Slick Rock Boating Dock Bathrooms | Algal mat general awareness sign | Updates from routine monitoring program-organization; visual monitoring based advisory |
| Sep 8, 2022 | Slick Rock Boating Dock Bathrooms | Algal mat general awareness sign | Updates from routine monitoring program-organization; visual monitoring based advisory |
| Sep 2, 2022 | Slick Rock Boating Dock Bathrooms | Algal mat general awareness sign | Updates from routine monitoring program-organization; visual monitoring based advisory |
| Aug 25, 2022 | Slick Rock Boating Dock Bathrooms | Caution | Bottom/benthic bloom observed; Updates from routine monitoring program-organization; visual monitoring based advisory |
| Jul 21, 2022 | Slick Rock Boating Dock Bathrooms | Caution | Suspected illness reported |
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.