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Part 503—Standards for the Use or Disposal of Sewage Sludge

Standards for the Use or Disposal of Sewage Sludge

ContainsSubpart A; Appendices A–B; Subparts B–E
CorpusDaily eCFR
Displayed edition2026-04-15
Last updated2026-04-15

PART 503—STANDARDS FOR THE USE OR DISPOSAL OF SEWAGE SLUDGE

Contents

AuthoritySections 405 (d) and (e) of the Clean Water Act, as amended by Pub. L. 95-217, sec. 54(d), 91 Stat. 1591 (33 U.S.C. 1345 (d) and (e)); and Pub. L. 100-4, title IV, sec. 406 (a), (b), 101 Stat., 71, 72 (33 U.S.C. 1251 et seq.).
Source58 FR 9387, Feb. 19, 1993, unless otherwise noted.