{"data":{"id":"us/40-cfr-435.14","jurisdiction":"us","citation":"40 CFR 435.14","heading":"Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).","body":"Except as provided in 40 CFR 125.30-32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT):\nBCT Effluent Limitations\nWaste source Pollutant parameter BCT effluent limitation\nProduced water Oil \u0026 grease The maximum for any one day shall not exceed 72 mg/l; the average of values for 30 consecutive days shall not exceed 48 mg/l.\nDrilling fluids and drill cuttings:\n(A) For facilities located within 3 miles from shore No discharge. 1\n(B) For facilities located beyond 3 miles from shore:\nWater-based drilling fluids and associated drill cuttings Free Oil No discharge. 2\nNon-aqueous drilling fluids No discharge.\nDrill cuttings associated with non-aqueous drilling fluids Free Oil No discharge. 2\nWell treatment, completion and workover fluids Free oil No discharge. 2\nDeck drainage Free oil No discharge. 3\nProduced sand No discharge.\nSanitary M10 Residual chlorine Minimum of 1 mg/l and maintained as close to this concentration as possible.\nSanitary M91M Floating solids No discharge.\nDomestic Waste Floating solids No discharge.\nAll other domestic waste See 33 CFR part 151.\n1 All Alaskan facilities are subject to the drilling fluids and drill cuttings discharge limitations for facilities located more than 3 miles offshore.\n2 As determined by the static sheen test. See § 435.11(hh).\n3 As determined by the presence of a film or sheen upon or a discoloration of the surface of the receiving water (visual sheen).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 435—OIL AND GAS EXTRACTION POINT SOURCE CATEGORY","Subpart A—Offshore Subcategory"],"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":"13f41e3dd6cb92bf2b58439cadbb2cc81f0d465ace7ab397ef6fec5fb41565e6","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-435.13","next":"us/40-cfr-435.15"},"notice":"GroundRules: Original legal text. Not legal advice."}