{"data":{"id":"us-il/415-ilcs-47-20","jurisdiction":"us-il","citation":"415 ILCS 47/20","heading":"Sampling for 1,4-Dioxane.","body":"(a) The Agency shall, by June 30, 2026, conduct sampling of the Illinois community water supplies previously sampled by the Agency for 1,4-Dioxane from the years 2013 through 2015.\n(b) If the results of such sampling detect drinking water levels of 1,4-Dioxane in excess of the United States Environmental Protection Agency Health Reference Level of 35 micrograms per liter, the Agency shall, within 2 years after June 30, 2026, take all actions needed to obtain the expertise necessary to propose rules that will establish a State-only MCL for 1,4-Dioxane.\n(c) By no later than June 30, 2029, the Agency shall propose, and, by no later than June 30, 2030, the Board shall adopt, amendments to the Board rules to establish a State-only MCL for 1,4-Dioxane.\n(d) The Agency shall, at least annually, convene a stakeholder group to review a subset of chemicals that are likely to pose a substantial health hazard to residents of the State, for the purpose of proposing or revising a State-only MCL for those chemicals.","path":["CHAPTER 415 ENVIRONMENTAL SAFETY","Safe Public Drinking Water Act."],"source_url":"https://www.ilga.gov/legislation/ILCS/details?ActID=4566\u0026ChapterID=36\u0026ChapAct=FullText\u0026Print=True","current_through":"at least Public Act 104-790","vintage":"","retrieved_at":"2026-09-15T04:46:36Z","sha256":"c781437ade854568676731131241ab716f10d13301ebb99338de5d2557eb15b3","source_id":"us-il","stale":false,"prev":"us-il/415-ilcs-47-15","next":"us-il/415-ilcs-50-1"},"notice":"GroundRules: Original legal text. Not legal advice."}