Blue-Green Algae

Are Cyanobacteria (Blue-Green Algae) toxic?

Lake County Water Resources

Cyanobacteria Brochure

Cyanobacteria Brochure (Spanish)

Water Resources Drinking Water Brochure

Water Resources Drinking Water Brochure (Spanish)

Visual Guide

Big Valley Rancheria - Clear Lake Cyanotoxins

Blue Green Algae Blooms - CDPH

Advisory Signage:

Cyanobacteria Advisory
Danger Sign Toxins from Algae
Warning Sign Toxins from Algae