Greenfield won't be last Iowa town to have drinking water threatened by toxic blue-green algae, environmentalists say

Greenfield is the first city in Iowa to warn residents against drinking its water, fearing contamination from toxic blue-green algae.

But it won't be the last, environmentalists say.

Dozens of Iowa cities and towns rely on lakes, rivers and reservoirs at risk for cyanobacteria — or blue-green algae — to source their drinking water.

https://www.desmoinesregister.com/story/news/2018/07/20/blue-green-algae-cyanobacteria-iowa-drinking-water-quality-environment-toxic-greenfield/804661002/