{"data":{"id":"us/33-cfr-151.1512","jurisdiction":"us","citation":"33 CFR 151.1512","heading":"Implementation schedule for approved ballast water management methods.","body":"(a) To discharge ballast water into the waters of the United States, the master, owner, operator, agent, or person in charge of a vessel subject to § 151.1510 of this subpart must either ensure that the ballast water meets the ballast water discharge standard as defined in § 151.1511(a), use an AMS as provided for under § 151.1510(a)(1) or ballast exclusively with water from a U.S. public water system, as described in § 151.1510(a)(4), according to the schedule in paragraph (b) of this section.\n(b) Implementation Schedule for the Ballast Water Management Discharge Standard for vessels using a Coast Guard approved BWMS to manage ballast water discharged to waters of the United States. After the dates listed in Table 151.1512(b), vessels may use a USCG-approved BWMS and comply with the discharge standard, or employ an approved ballast water management method per § 151.1510(a)(1) and (4).\nTable 151.1512(b)—Implementation Schedule for Ballast Water Management Discharge Standards for Vessels Using Coast Guard Approved Ballast Water Management Systems\nVessel's ballast water capacity Date constructed Vessel's compliance date\nNew vessels All On or after December 1, 2013 On delivery.\nExisting vessels Less than 1500 m3 Before December 1, 2013 First scheduled drydocking after January 1, 2016.\n1500-5000 m3 Before December 1, 2013 First scheduled drydocking after January 1, 2014.\nGreater than 5000 m3 Before December 1, 2013 First scheduled drydocking after January 1, 2016.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—POLLUTION","PART 151—VESSELS CARRYING OIL, NOXIOUS LIQUID SUBSTANCES, GARBAGE, MUNICIPAL OR COMMERCIAL WASTE, AND BALLAST WATER","Subpart C—Ballast Water Management for Control of Nonindigenous Species in the Great Lakes and Hudson River"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"04f5d69b0c298f4f619c717a394df5e6b50eb8bb8435a177975bebb7401ce00c","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-151.1511","next":"us/33-cfr-151.1513"},"notice":"GroundRules: Original legal text. Not legal advice."}