Cache Creek: toxic algae advisories

Cache Creek, Lake County. See all Lake County waters.

What the state's records say

Caution advisory, last posted Jul 11, 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: 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 Cache Creek

The state has an advisory on file for Cache Creek (Caution advisory), last posted Jul 11, 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.

More on dogs and toxic algae.

Reported spots

The state records each report at a spot, such as a beach or a boat ramp. Each spot's latest deciding record:

Each reported spot at Cache Creek and its latest status
SpotStatus
Highlands harbor south of Clear Lake Caution advisory, last posted Jul 11, 2024. No all-clear recorded.
Cache Creek, NF ~0.4mi above Spanish Cr. The state's latest record, from Jun 26, 2023, recommends no advisory.
Cache Creek Shady Acres (SHADY01) The state's latest record, from Apr 15, 2022, recommends no advisory.
NF ~0.4mi above Spanish Cr. The state's latest record, from Jun 30, 2021, recommends no advisory.

Advisory history

Every advisory record the state has published for Cache Creek, newest first. "None" is the state's record that no advisory was recommended on that date. "NA" records do not change a status.

Advisory records for Cache Creek, newest first
DateSpotState's levelNotes
Jul 11, 2024 Highlands harbor south of Clear Lake Caution Suspected bloom, investigation ongoing; Suspected illness reported
Jun 26, 2023 Cache Creek, NF ~0.4mi above Spanish Cr. None Testing results below posting triggers; Updates from routine monitoring program-organization
Apr 15, 2022 Cache Creek Shady Acres (SHADY01) None Updates from routine monitoring program-organization
Feb 21, 2022 Cache Creek Shady Acres (SHADY01) None Updates from routine monitoring program-organization
Jun 30, 2021 NF ~0.4mi above Spanish Cr. None Testing results below posting triggers

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.