Solid Waste Agency of Northern Cook County v. United States Army Corps of Engineers

Section 404(a) of the Clean Water Act (CWA or Act), 86 Stat. 884, as amended, 33 U. S. C. § 1344(a), regulates the discharge of dredged or fill material into “navigable waters.” The United States Army Corps of Engineers (Corps) has interpreted § 404(a) to confer federal authority over an abandoned sand and gravel pit in northern Illinois which provides habitat for migratory birds. We are asked to decide whether the provisions of § 404(a) may be fairly extended to these waters, and, if so, whether Congress could exercise such authority consistent with the Commerce Clause, U. S. Const., Art. I,…