EPA has a problem: reifying clean air (Kentucky coal lobby) while ignoring clean water (Craig Butler's "immaterial" tag). This is a decent video about the threat, which includes acid-making zebra mussels, recalling that mussels can sequester the algal toxin, microcystin:
8 Jul 2015 Are Michigan's Pristine Lakes At Risk From Aging Pipelines?
8 Jul 2015 Are Michigan's Pristine Lakes At Risk From Aging Pipelines?