Lake Evans: toxic algae advisories
Lake Evans, Kern County. See all Kern County waters.
What the state's records say
The state's latest record, from May 15, 2026, recommends no advisory.
That reflects what the state knew on that date. It is not a finding that the water is safe now: blooms can return within days, and many are never reported.
Before you go, check the state's official algae page and any signs posted at the water.
Dogs at Lake Evans
The state's latest record, from May 15, 2026, recommends no advisory. For Lake Evans, that is not the same as an all-clear for today. Look at the water before your dog goes in: keep it out of green, blue-green or scummy water and away from mats on the shore.
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 |
|---|---|
| East | The state's latest record, from May 15, 2026, recommends no advisory. |
| West | The state's latest record, from May 15, 2026, recommends no advisory. |
| East Boat Ramp (East) | The state's latest record, from Nov 13, 2024, recommends no advisory. |
| West Boat Ramp (West) | The state's latest record, from Nov 13, 2024, recommends no advisory. |
| Lake Evans, near Swim Beach 1 | The state's latest record, from Dec 4, 2018, recommends no advisory. |
Advisory history
Every advisory record the state has published for Lake Evans, 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 |
|---|---|---|---|
| May 15, 2026 | East | None | Testing results below posting triggers |
| May 15, 2026 | West | None | Testing results below posting triggers |
| May 14, 2025 | East | None | Testing results below posting triggers |
| May 14, 2025 | West | None | Testing results below posting triggers |
| Nov 13, 2024 | East Boat Ramp (East) | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| Nov 13, 2024 | West Boat Ramp (West) | None | Testing results below posting triggers; Updates from routine monitoring program-organization |
| May 14, 2024 | West Boat Ramp (West) | None | Updates from routine monitoring program-organization |
| May 14, 2024 | East Boat Ramp (East) | None | Updates from routine monitoring program-organization |
| Aug 22, 2023 | West | None | Testing results below posting triggers |
| Aug 22, 2023 | East | None | Testing results below posting triggers |
| May 18, 2022 | East Boat Ramp (East) | None | |
| May 18, 2022 | West Boat Ramp (West) | None | |
| Dec 4, 2018 | Lake Evans, near Swim Beach 1 | None |
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.