U.S. Code / Title 33 — Navigation and Navigable…Title 33ChapterChapter 26—Water Pollution Prevention and ControlContentsSubchapter I—Research and Related ProgramsSubchapter Ii—Grants for Construction of Treatment WorksSubchapter Iii—Standards and EnforcementSubchapter Iv—Permits and LicensesSubchapter V—General ProvisionsSubchapter Vi—State Water Pollution Control Revolving Funds