{"data":{"id":"us/40-cfr-258.26","jurisdiction":"us","citation":"40 CFR 258.26","heading":"Run-on/run-off control systems.","body":"(a) Owners or operators of all MSWLF units must design, construct, and maintain:\n(1) A run-on control system to prevent flow onto the active portion of the landfill during the peak discharge from a 25-year storm;\n(2) A run-off control system from the active portion of the landfill to collect and control at least the water volume resulting from a 24-hour, 25-year storm.\n(b) Run-off from the active portion of the landfill unit must be handled in accordance with § 258.27(a) of this part.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 258—CRITERIA FOR MUNICIPAL SOLID WASTE LANDFILLS","Subpart C—Operating Criteria"],"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":"89693c40ceb5f458b84ccdebf1827222da6db134ef6f4b71820dea183e50aac2","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-258.25","next":"us/40-cfr-258.27"},"notice":"GroundRules: Original legal text. Not legal advice."}