The blue-green algae inundating Lake Erie and some other Ohio lakes is fueled by fertilizer runoff from farm fields and lawns.
About a half-million people were told to avoid their tap water after tests showed a toxin linked to algae found in Lake Erie. That algae is fueled by fertilizer runoff.
Toledo officials issued the water warning in Ohio's fourth-largest city early Saturday after tests revealed the presence of a toxin likely from algae on Lake Erie.
Ohio’s fourth-largest city warned residents not to use city water early Saturday after tests at one treatment plant showed readings for microcystin above the standard for consumption, most likely from algae on Lake Erie.