Blue-Green Algae
Blue-green algae is actually a bacteria called cyanobacteria, commonly found in lakes, rivers, and other surface waters. It produces rapidly with adequate sunlight, nutrients, and temperature. There are several links below with information regarding blue-green algae.
If you wish to report a blue-green algae bloom at a lake in Cowlitz County, please either contact us at (360) 414-5599 or use the link below to the Department of Ecology Bloom Reporting website. Sampling data from Cowlitz County lakes can be found in the Department of Ecology Toxic Algae Monitoring Database.
- Department of Ecology Algae Bloom Reporting Webpage
- Department of Ecology Toxic Algae Monitoring Database
- Department of Health Blue-Green Algae Webpage
- Department of Health Blue-Green Algae Brochure
- City of Woodland Horseshoe Lake Monitoring
Post This Sign for Potential Blue-Green Algae
Alert others about the possible presence of toxic blue-green algae. Click the image below to download and print this sign for use at lakes where algae may be present.