Section 151.2035 - Implementation schedule for approved ballast water management methods(a) To discharge ballast water into waters of the United States, the master, owner, operator, agent, or person in charge of a vessel subject to § 151.2025 of this subpart must either ensure that the ballast water meets the ballast water discharge standard as defined in § 151.2030(a) , use an AMS as described in § 151.2025(a)(3) or ballast exclusively with water from a U.S. public water system, as described in § 151.2025(a)(2) , according to the schedule in paragraph (b) of this section.(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 U.S. After the dates listed in Table 151.2035(b), vessels may use a USCG-approved BWMS and comply with the discharge standard, use PWS per § 151.2025(a)(2) , or use a previously installed AMS per § 151.2025(a)(3) . Table 151.2035(b)-Implementation Schedule for Approved Ballast Water Management Methods
| Vessel's ballast
water capacity | Date constructed | Vessel's compliance date |
| New vessels | All | On or after December 1, 2013 | On delivery. |
| Existing vessels | Less than 1500 m3 | Before December 1, 2013 | First scheduled drydocking after January 1, 2016. |
| 1500-5000 m3 | Before December 1, 2013 | First scheduled drydocking after January 1, 2014. |
| Greater than 5000 m3 | Before December 1, 2013 | First scheduled drydocking after January 1, 2016. |
USCG-2001-10486, 77 FR 17306, Mar. 23, 2012, as amended by USCG-2015-0433, 80 FR 44281, July 27, 2015