CFR›Title 40›Chapter I›Part 129 ContainsSubpart ACorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 129—TOXIC POLLUTANT EFFLUENT STANDARDS Subparts A Subpart A—Toxic Pollutant Effluent Standards and Prohibitions Sections 129.1–129.105 AuthoritySecs. 307, 308, 501, Federal Water Pollution Control Act Amendments of 1972 (Pub. L. 92-500, 86 Stat. 816, (33 U.S.C. 1251 et seq.)).Source42 FR 2613, Jan. 12, 1977, unless otherwise noted. Previous 127 Part 127—NPDES Electronic Reporting Next 130 Part 130—Water Quality Planning and Management