Splitting from Other Circuits, Sixth Circuit Limits the Scope of the Clean Water Act

This week, the Sixth Circuit diverged from the Fourth and Ninth Circuits by limiting the scope of the Clean Water Act (CWA) as it relates to groundwater. The court held that the CWA cannot regulate pollutants from point sources if they reach navigable waters through groundwater. This decision is a clear split from the Fourth and Ninth Circuits, who have both held this year that groundwater can be regulated under the CWA if it serves as a conduit for pollution that eventually reaches navigable waters, …

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Legal Acrobatics or Sound Interpretation: Ground Water Regulation under the Clean Water Act

In February, we reported about whether ground water can be regulated under the Clean Water Act. As a refresher, we discussed Hawaii Wildlife Fund v. County of Maui — a case involving the indirect discharge of injection well wastewater into the ocean by traveling through groundwater. The court held there that for purposes of the CWA the injection wells were a point source, requiring an NPDES permit for groundwater because “the pollutants are fairly traceable from the point source to a navigable water such that …

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Can Groundwater Be Regulated Under the Clean Water Act?

Recently, we reported on the EPA’s decision to postpone the Clean Water Rule, a controversial rule pertaining to what bodies of water are protected under the Clean Water Act (CWA). While the CWA states that it regulates discharge from point sources into surface waters, what constitutes “surface waters” has continued to be an open and debated question, one that appears to have created a Circuit Court split that the U.S. Supreme Court may need to resolve.

Specifically, on February 1, 2018, the Ninth Circuit issued …

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