- Do you see a bloom?
- Why are blooms a problem?
- What can you do to help?
- How do I get the bloomWatch app?
Do you notice that a lake suddenly turned the color of pea soup or a blue-green paint spill? Or do you see green clumps, flakes or filaments floating in a lake?

Blooms in fresh waterbodies are commonly due to cyanobacteria, which have the potential to produce toxins that affect humans, pets, and our ecosystems.

State and local officials can’t be watching every lake at all times! By using the bloomWatch app on your smartphone, you will help us understand where and when these organisms may be causing issues.


1. Download the app
Install bloomWatch app on your smartphone or tablet

2. Learn what to look for
Get familiar with the appearance of cyanobacteria blooms
