In Circuit Split, the 6th Circ. Limits CWA’s Reach Over Pollutants That Travel Through Groundwater
Last week, the Sixth Circuit Court of Appeals held in two separate cases that the Clean Water Act does not extend liability to pollution that reaches navigable waters via groundwater. Kentucky Waterways All. v. Kentucky Utilities Co., No. 18-5115, 2018 WL 4559315, (6th Cir. Sept. 24, 2018); Tennessee Clean Water Network v. Tennessee Valley Auth., No. 17-6155, 2018 WL 4559103 (6th Cir. Sept. 24, 2018). Instead, the court adopted the bright line rule that for a point source discharge to be actionable under the CWA, it must “dump directly into” navigable waters. The decisions departed from the Fourth and Ninth Circuits’ rulings earlier this year, which held that a “direct hydrological connection” between a discharge and waterbody was sufficient for CWA liability. Our prior blog post on the Fourth Circuit’s decision, Upstate Forever et al. v. Kinder Morgan Energy Partners LP et al., No. 17-1640, 2018 WL 1748154 (4th Cir. April 12, 2018) can be found here.
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