Harmful Algal Blooms (HABs)

Would you like to help?
Coordinated monitoring programs (including URIWW staff and volunteers) document and help understand harmful cyanobacteria blooms. Check out cyanos.org to learn how you can get involved – including downloading the bloomWatch app

2023 Advisories:  

The warm weather often brings HABs, especially in sites that regularly experience them. For a list of 2023 advisories – see the RIDEM Cyanobacteria (blue-green algae) page – http://dem.ri.gov/programs/water/quality/surface-water/cyanobacteria.php 

Older advisories can also be found using the above link, with a search tool.

The bloomWatch data dashboard shows reports of blooms submitted by app users locally, nationally and even globally – click HERE to see recent reports.

Learn more about HABs: