To grant the consent of Congress to the Mississippi River Interstate Pollution Phase-Out Compact.

Interstate Compact - Grants congressional consent to the Mississippi River Interstate Pollution Phase-Out Compact and to certain supplementary agreements entered into pursuant to such Compact.

Identifies the following as signatory States: Louisiana, Mississippi, Arkansas, Tennessee, Missouri, Kentucky, Illinois, Iowa, Wisconsin, and Minnesota.

Designates the Chief of Engineers of the Department of the Army as the U.S. Commissioner to the Mississippi River Interstate Pollution Control Commission.