Antelope Lake: toxic algae advisories

Antelope Lake, Plumas County. See all Plumas County waters.

What the state's records say

Caution advisory, last posted Nov 25, 2025. 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 Antelope Lake

The state has an advisory on file for Antelope Lake (Caution advisory), last posted Nov 25, 2025, 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 Antelope Lake and its latest status
SpotStatus
near the dam Caution advisory, last posted Nov 25, 2025. No all-clear recorded.
Antelope Lake The state's latest record, from Jun 24, 2020, recommends no advisory.

Advisory history

Every advisory record the state has published for Antelope 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 Antelope Lake, newest first
DateSpotState's levelNotes
Nov 25, 2025 near the dam Caution visual monitoring based advisory
Jun 24, 2020 Antelope Lake 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.