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City of Milwaukee v. Illinois

451 U.S. 304 · Decided April 28, 1981 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

City of Milwaukee v. Illinois was decided on April 28, 1981 by a vote of 6–3. The Court vacated the lower court's decision and remanded the case. Justice William H. Rehnquist wrote the opinion of the Court. SCDB classifies its main issue as “Natural resources and environmental protection” in the Economic Activity area.

Read the opinion

Case details

Citations
451 U.S. 304 · 101 S. Ct. 1784 · 68 L. Ed. 2d 114 · 1981 U.S. LEXIS 22
Docket number
79-408
Decided
April 28, 1981
Argued
December 2, 1980
Court era
Burger Court
Decision type
Opinion of the Court (orally argued)
Disposition
Vacated and remanded
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
6–3
Majority opinion
William H. Rehnquist
Opinion assigned by
Warren E. Burger
How the case arrived
Certiorari
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

City of Milwaukee et al. v. Illinois et al.

SCDB identifiers: case 1980-079, docket 1980-079-01.

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error