Kaweah River: toxic algae advisories
Kaweah River, Tulare County. See all Tulare County waters.
What the state's records say
Caution advisory, last posted Sep 14, 2026. No all-clear recorded.
6 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 Kaweah River
The state has an advisory on file for Kaweah River (Caution advisory), last posted Sep 14, 2026, 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 |
|---|---|
| Kaweah River Private Dr, West of Dinely Dr. | Algal mat alert sign, last posted Sep 14, 2026. No all-clear recorded. |
| Sequoia RV Park | Algal mat general awareness sign, last posted Oct 9, 2025. No all-clear recorded. |
| Sequoia RV ranch on north fork Kaweah River | The state's latest record, from Nov 14, 2022, recommends no advisory. |
| Slick Rock Recreation Area | The state's latest record, from Nov 14, 2022, recommends no advisory. |
| Approximately 1 mile from Dinely Bridge | The state's latest record, from Nov 14, 2022, recommends no advisory. |
| White Horse Inn | Algal mat alert sign, last posted Oct 10, 2022. No all-clear recorded. |
| Comfort Inn and Suites Sequoia Kings Canyon | Caution advisory, last posted Jul 25, 2022. No all-clear recorded. |
| Marble Fork of Kaweah River at Potwisha Campground | Caution advisory, last posted Jul 22, 2022. No all-clear recorded. |
| Ash Mountain Visitor Center | Caution advisory, last posted Jul 22, 2022. No all-clear recorded. |
Advisory history
Every advisory record the state has published for Kaweah River, 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 |
|---|---|---|---|
| Sep 14, 2026 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat alert sign | Updates from routine monitoring program-organization |
| Sep 14, 2026 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat alert sign | Bottom/benthic bloom observed |
| Sep 4, 2026 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat general awareness sign | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 29, 2026 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 29, 2026 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Oct 9, 2025 | Sequoia RV Park | Algal mat general awareness sign | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Oct 9, 2025 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Sep 24, 2025 | Sequoia RV Park | Algal mat general awareness sign | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Sep 24, 2025 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Sep 24, 2025 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Sep 11, 2025 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Sep 11, 2025 | Sequoia RV Park | Algal mat general awareness sign | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 28, 2025 | Sequoia RV Park | Algal mat general awareness sign | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 28, 2025 | Kaweah River Private Dr, West of Dinely Dr. | Caution | Updates from routine monitoring program-organization |
| Aug 28, 2025 | Kaweah River Private Dr, West of Dinely Dr. | Caution | Updates from routine monitoring program-organization |
| Aug 28, 2025 | Sequoia RV Park | Algal mat general awareness sign | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 26, 2025 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Aug 26, 2025 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 14, 2025 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Aug 14, 2025 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 30, 2025 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 30, 2025 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 17, 2025 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 17, 2025 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 30, 2025 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 30, 2025 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 30, 2025 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 30, 2025 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Oct 16, 2024 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Oct 16, 2024 | Sequoia RV Park | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Oct 3, 2024 | Sequoia RV Park | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Oct 3, 2024 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 18, 2024 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 18, 2024 | Sequoia RV Park | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 6, 2024 | Sequoia RV Park | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 6, 2024 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 6, 2024 | Kaweah River Private Dr, West of Dinely Dr. | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Sep 6, 2024 | Sequoia RV Park | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Aug 23, 2024 | Sequoia RV Park | Algal mat general awareness sign | Updates from routine monitoring program-organization |
| Aug 23, 2024 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 6, 2024 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Aug 6, 2024 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 24, 2024 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 24, 2024 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 12, 2024 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jul 12, 2024 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 27, 2024 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Jun 27, 2024 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| May 15, 2024 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| May 15, 2024 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Oct 13, 2023 | Sequoia RV Park | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Oct 13, 2023 | Kaweah River Private Dr, West of Dinely Dr. | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Nov 14, 2022 | Sequoia RV ranch on north fork Kaweah River | None | Posted algal mat general awareness |
| Nov 14, 2022 | Slick Rock Recreation Area | None | visual monitoring based advisory |
| Nov 14, 2022 | Approximately 1 mile from Dinely Bridge | None | visual monitoring based advisory |
| Nov 14, 2022 | Approximately 1 mile from Dinely Bridge | None | visual monitoring based advisory |
| Nov 1, 2022 | Approximately 1 mile from Dinely Bridge | Algal mat general awareness sign | visual monitoring based advisory |
| Nov 1, 2022 | Slick Rock Recreation Area | Algal mat general awareness sign | visual monitoring based advisory |
| Nov 1, 2022 | Sequoia RV ranch on north fork Kaweah River | Algal mat general awareness sign | Posted algal mat general awareness |
| Oct 17, 2022 | Approximately 1 mile from Dinely Bridge | Algal mat general awareness sign | visual monitoring based advisory |
| Oct 17, 2022 | Slick Rock Recreation Area | Algal mat general awareness sign | visual monitoring based advisory |
| Oct 17, 2022 | Sequoia RV ranch on north fork Kaweah River | Algal mat general awareness sign | Posted algal mat general awareness |
| Oct 10, 2022 | White Horse Inn | Algal mat alert sign | Bottom/benthic bloom observed |
| Sep 28, 2022 | Sequoia RV ranch on north fork Kaweah River | Algal mat general awareness sign | Posted algal mat general awareness |
| Sep 28, 2022 | Approximately 1 mile from Dinely Bridge | Algal mat general awareness sign | visual monitoring based advisory |
| Sep 28, 2022 | Slick Rock Recreation Area | Algal mat general awareness sign | visual monitoring based advisory |
| Sep 27, 2022 | Approximately 1 mile from Dinely Bridge | Algal mat general awareness sign | visual monitoring based advisory |
| Sep 27, 2022 | Slick Rock Recreation Area | Algal mat alert sign | visual monitoring based advisory |
| Sep 27, 2022 | Sequoia RV ranch on north fork Kaweah River | Algal mat general awareness sign | Bottom/benthic bloom observed |
| Sep 15, 2022 | Approximately 1 mile from Dinely Bridge | Algal mat general awareness sign | visual monitoring based advisory |
| Sep 15, 2022 | Slick Rock Recreation Area | Algal mat alert sign | |
| Sep 15, 2022 | Sequoia RV ranch on north fork Kaweah River | Algal mat alert sign | Bottom/benthic bloom observed |
| Sep 8, 2022 | Approximately 1 mile from Dinely Bridge | Algal mat general awareness sign | visual monitoring based advisory |
| Sep 8, 2022 | Slick Rock Recreation Area | Algal mat alert sign | |
| Sep 8, 2022 | Sequoia RV ranch on north fork Kaweah River | Algal mat alert sign | Bottom/benthic bloom observed |
| Sep 2, 2022 | Approximately 1 mile from Dinely Bridge | Algal mat general awareness sign | visual monitoring based advisory |
| Sep 2, 2022 | Slick Rock Recreation Area | Algal mat alert sign | |
| Sep 2, 2022 | Sequoia RV ranch on north fork Kaweah River | Algal mat alert sign | Suspected illness reported |
| Aug 25, 2022 | Approximately 1 mile from Dinely Bridge | Algal mat general awareness sign | visual monitoring based advisory |
| Aug 25, 2022 | Slick Rock Recreation Area | Algal mat general awareness sign | |
| Aug 25, 2022 | Sequoia RV ranch on north fork Kaweah River | Algal mat alert sign | Suspected illness reported |
| Jul 25, 2022 | Comfort Inn and Suites Sequoia Kings Canyon | Caution | visual monitoring based advisory |
| Jul 22, 2022 | Marble Fork of Kaweah River at Potwisha Campground | Caution | visual monitoring based advisory |
| Jul 22, 2022 | Ash Mountain Visitor Center | Caution | visual monitoring based advisory |
| Jul 22, 2022 | Sequoia RV ranch on north fork Kaweah River | Algal mat alert sign | Suspected illness reported |
| Jul 18, 2022 | Approximately 1 mile from Dinely Bridge | Algal mat general awareness sign | visual monitoring based advisory |
| Jul 18, 2022 | Approximately 1 mile from Dinely Bridge | Caution | Floating/planktonic bloom observed |
| Jul 18, 2022 | Approximately 1 mile from Dinely Bridge | Caution | Floating/planktonic bloom observed |
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.