Sacramento River: toxic algae advisories

Sacramento River, Sacramento County. See all Sacramento County waters.

What the state's records say

Caution advisory, last posted Oct 5, 2020. 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 Sacramento River

The state has an advisory on file for Sacramento River (Caution advisory), last posted Oct 5, 2020, 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 Sacramento River and its latest status
SpotStatus
Brannan Island State Recreation Area The state recorded an end date of Sep 2, 2022.
Sacramento River, near Riverfront Docks north of Tower Bridge Caution advisory, last posted Oct 5, 2020. No all-clear recorded.

Advisory history

Every advisory record the state has published for Sacramento River, 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 Sacramento River, newest first
DateSpotState's levelNotes
Sep 2, 2022 Brannan Island State Recreation Area Caution End date recorded: Sep 2, 2022. Advisory based on visual and toxins; Floating/planktonic bloom observed
Oct 5, 2020 Sacramento River, near Riverfront Docks north of Tower Bridge Caution visual monitoring based advisory

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.