North Table Mountain Ecological Reserve: toxic algae advisories

North Table Mountain Ecological Reserve, Butte County. See all Butte County waters.

What the state's records say

What this level asks: The state recorded an advisory of a type outside the Caution, Warning and Danger levels. Read the sign posted at the water.

Before you go, check the state's official algae page and any signs posted at the water.

Dogs at North Table Mountain Ecological Reserve

The state has an advisory on file for North Table Mountain Ecological Reserve (Algal mat alert sign), last posted Sep 28, 2026, 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:

Advisory history

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

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.