Economy Light & Power Co. v. United States, 256 U.S. 113 (1921) (No. 104)

Case name: Economy Light & Power Co. v. United States Opinion filed: 1921-12-17 Docket No.: 104 Citations: • 256 U.S. 113 • 41 S. Ct. 409 • 65 L. Ed. 847 • 1921 U.S. LEXIS 1697 Case holding summaries: • explaining navigation need not “be open at all seasons of the year, or at all stages of the water” • under the 1899 Refuse Act • concluding that, although a river might be currently non-navigable due to artificial obstructions, it could nonetheless be found navigable under the federal test if it had been navigable in its natural state • the use of navigable waters may be limited to travel during seasonal water level fluctuations