{"data":{"id":"us/40-cfr-141.60","jurisdiction":"us","citation":"40 CFR 141.60","heading":"Effective dates.","body":"(a) The effective dates for § 141.61 are as follows:\n(1) The effective date for paragraphs (a)(1) through (a)(8) of § 141.61 is January 9, 1989.\n(2) The effective date for paragraphs (a)(9) through (a)(18) and (c)(1) through (c)(18) of § 141.61 is July 30, 1992.\n(3) The effective date for paragraphs (a)(19) through (a)(21), (c)(19) through (c)(25), and (c)(27) through (c)(33) of § 141.61 is January 17, 1994. The effective date of § 141.61(c)(26) is August 17, 1992.\n(4) The effective date for § 141.61(c)(2)(i) through (vii) is April 26, 2029.\n(b) The effective dates for § 141.62 are as follows:\n(1) The effective date of paragraph (b)(1) of § 141.62 is October 2, 1987.\n(2) The effective date for paragraphs (b)(2) and (b)(4) through (b)(10) of § 141.62 is July 30, 1992.\n(3) The effective date for paragraphs (b)(11) through (b)(15) of § 141.62 is January 17, 1994.\n(4) The effective date for § 141.62(b)(16) is January 23, 2006.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER D—WATER PROGRAMS","PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS","Subpart G—National Primary Drinking Water Regulations: Maximum Contaminant Levels and Maximum Residual Disinfectant Levels"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"f65dcdd4fadc2eda36d26d62825870f935df403834e73a1b4ab1bbde38a3d152","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-141.55","next":"us/40-cfr-141.61"},"notice":"GroundRules: Original legal text. Not legal advice."}