Supreme Court of the United States

Train v. Colorado Public Interest Research Group, Inc.

June 1, 1976426 U.S. 1

Summary

The Supreme Court reversed the Tenth Circuit, holding that source, byproduct, and special nuclear materials are not "pollutants" under the Federal Water Pollution Control Act and that the EPA Administrator acted within statutory authority by declining to regulate their discharge.

Holding

  • Whether source, byproduct, and special nuclear materials are "pollutants" within the meaning of the Federal Water Pollution Control Act.. No; they are excluded from the definition of "pollutant" and the EPA lacks authority to regulate their discharge under the FWPCA.

Docket 74-1270

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