Section 461, act May 19, 1896, ch. 208, § 1, 29 Stat. 126, prohibited deposit of ballast, dirt, ashes or oyster shells into Potomac River except for purpose of making a wharf and then only after approval.

Section 462, act May 19, 1896, ch. 208, § 2, 29 Stat. 127, prohibited deposit of dead fish, dead animals, fruits, vegetables, ice, snow, filth or trash of any kind into Potomac River.

Section 463, act May 19, 1896, ch. 208, § 3, 29 Stat. 127, related to penalties.

Section 464, act May 19, 1896, ch. 208, § 4, 29 Stat. 127, provided that none of these provisions be construed to interfere with any work or improvements in harbor or river area.