Harmful algal blooms in the U.S result in more than 20亿美元 annually of recreational, drinking, and agricultural water resources.

estimated annual economic loss caused by cHABS in Western Lake Erie - 国际 Joint Commission

Cyanobacteria is moderately present in

according to the National Lakes Assessment. ——ScienceDirect

Currently, there are no federal regulations to address cyanobacteria in surface water under the 清洁水法.