Rim Rock Lake: toxic algae advisories

Rim Rock Lake, Lassen County. See all Lassen County waters.

What the state's records say

Caution advisory, last posted Aug 9, 2018. 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 Rim Rock Lake

The state has an advisory on file for Rim Rock Lake (Caution advisory), last posted Aug 9, 2018, 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 Rim Rock Lake and its latest status
SpotStatus
Rim Rock Lake Caution advisory, last posted Aug 9, 2018. No all-clear recorded.
Rim Rock Lake Reports on file, with no advisory level the state has classified.

Advisory history

Every advisory record the state has published for Rim Rock Lake, 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 Rim Rock Lake, newest first
DateSpotState's levelNotes
Aug 9, 2018 Rim Rock Lake Caution
Sep 28, 2017 Rim Rock Lake NA - refer to Report Details

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.