"EPA won't regulate any pollution to surface waters that passes through groundwater.
The Clean Water Act regulates pollution to surface water and requires permits for so-called point-source discharges to them.
But questions have remained about whether the law regulates any pollution that ends up in surface waters, or only direct discharges.
EPA now says it's the latter."
Ariel Wittenberg and Ellen M. Gilmer report for Greenwire April 16, 2019.
Source: Greenwire, 04/17/2019