A bill to amend the act of March 3, 1905, relating to the dumping of certain materials into the navigable waters of the United States.

Prohibits the Secretary of the Army or any other officer of the United States from dumping or permitting the dumping of the spoil from any dredging operation, or any other earth, garbage, or refuse material into any navigable water unless the Secretary of the Interior shall first determine that to do so will not result in the pollution of such water. (Amends 33 U.S.C. 419)