USEPA announced development of a nationwide drinking water health advisory for toxic algae, otherwise known as cyanobacteria or blue-green algae. These advisories are not enforceable drinking water regulatory standards, but rather as an advisory for levels of blue-green algae toxins considered to be safe in drinking water.
After compiling worldwide data from multiple countries, including the U.S. as well as Canada, three of these harmful algae rose to the top as common as well as toxic. These included Microcystin-LR, Cylindrospermopsin, and Anatoxin-A; all three now on the suggested draft CCL4 (4th revision of USEPA Concerned Contaminant List). A Health Advisory is a start, but not enough to address these poisons in our water supplies. Read More