Earlier this month, the Pennsylvania Supreme Court affirmed in part and reversed in part a preliminary injunction issued by the Pennsylvania Commonwealth Court with respect to newly promulgated regulations regarding unconventional well drilling. Marcellus Shale Coal. v. Dep't of Envtl. Prot. of Commonwealth, 115 MAP 2016, 2018 WL 2452607 (June 1, 2018). In the decision, the Court rejected the argument that courts should defer to a regulatory agency when deciding a preliminary injunction with respect to the agency’s authority to issue regulations, and also shed light on how it interprets allegations of vagueness and conflict in agency regulations. The majority opinion was authored by Chief Justice Saylor and was joined in full by all the associate justices except for Justice Donohue, who authored a concurring and dissenting opinion. Justice Donohue’s opinion, perhaps most notably, voices her disagreement with the Commonwealth Court’s interpretation of Article 1, Section 27 of the Pennsylvania Constitution, known as the Environmental Rights Amendment. Read More »

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Under the Clean Water Act (“CWA”), it is well established that any entity discharging pollutants into the surface waters of the United States from a “point source” must obtain a permit. But courts have disagreed on whether the CWA also encompasses groundwater that is hydrologically connected to surface water.  Last week, a federal district court in Virginia followed a line of cases in holding that the CWA does cover the discharge of pollutants to groundwater that is hydrologically connected to surface water. Sierra Club v. Va. Elec. & Power Co., Civil Action No. 2:15-CV-112 (E.D. Va. Mar. 23, 2017). Read More »

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