It is especially prevalent amongst those in regular contact with bodies of fresh water including recreational water such as swimming pools.
These blooms can be toxic, and frequently lead to the closure of recreational waters when spotted.
Test drinking and some recreational water for bacteria, parasites, pesticides and other harmful substances.
City agencies are also warning people not to fish in recreational waters, Ms. Mullin said.
It used as a chemical disinfectant used for recreational water and drinking water purification.
Recreational Criteria protect people who swim and play in coastal recreational waters from exposure to pathogens.
Finally, on the question of recreational waters: I think that all the recreational water amendments are rather silly, because the definition is too wide to be meaningful.
I highlight the fact that the British Canoe Union is begging us not to support the extension of this directive to recreational waters.
We, along with the majority, are glad that the initially planned extension of bathing water to include recreational water has been abandoned.
They soil parks and raise fears of disease when their waste fouls reservoirs and recreational waters.