Illinois v. City of Milwaukee
Facts
Illinois alleged that Wisconsin cities and sewerage commissions were discharging about 200 million gallons daily of raw or inadequately treated sewage and other waste into Lake Michigan in the Milwaukee area. Illinois asserted that it and its subdivisions prohibit and prevent such discharges, while the defendants do not. Illinois sought abatement of the alleged public nuisance. The defendants named were municipalities and sewerage agencies, not the State of Wisconsin itself.
Issue
Whether Illinois could invoke the Supreme Court's original jurisdiction to sue Wisconsin municipalities and sewerage agencies over interstate water pollution, and whether the same controversy could instead be brought in federal district court under 28 U.S.C. § 1331(a). More specifically, the Court asked whether a claim to abate pollution of interstate or navigable waters arises under the laws of the United States because it is governed by federal common law.
Rule
The Supreme Court's original jurisdiction should be used sparingly and is not mandatory when an appropriate alternative forum exists with jurisdiction over the parties and power to grant suitable relief. Political subdivisions are not "States" within 28 U.S.C. § 1251(a)(1). Claims founded on federal common law, including suits to abate a public nuisance in interstate or navigable waters, arise under the "laws" of the United States for purposes of 28 U.S.C. § 1331(a), and a State may bring such an action in federal district court.
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