§151.10. Control of oil discharges.
33 C.F.R. § 151.10
When more than 12 nautical miles from the nearest land, any discharge of oil or oily mixtures into the sea from a ship other than an oil tanker or from machinery space bilges of an oil tanker is prohibited except when all of the following conditions are satisfied—
The oil or oily mixture does not originate from cargo pump room bilges;
The oil or oily mixture is not mixed with oil cargo residues;
The ship is not within a special area;
The ship is proceeding enroute;
The oil content of the effluent without dilution is less than 15 parts per million (ppm); and
The ship has in operation oily-water separating equipment, a bilge monitor, bilge alarm, or combination thereof as required by part 155 subpart B of this chapter.
When within 12 nautical miles of the nearest land, any discharge of oil or oily mixtures into the sea from a ship other than an oil tanker or from machinery space bilges of an oil tanker is prohibited except when all of the following conditions are satisfied—
The oil or oily mixture does not originate from cargo pump room bilges;
The oil or oily mixture is not mixed with oil cargo residues;
The oil content of the effluent without dilution does not exceed 15 ppm;
The ship has in operation oily-water separating equipment, a bilge monitor, bilge alarm, or combination thereof as required by part 155 subpart B of this chapter; and
The oily-water separating equipment is equipped with a 15 ppm bilge alarm; for U.S. inspected ships, approved under 46 CFR 162.050 and for U.S. uninspected ships and foreign ships, either approved under 46 CFR 162.050 or listed in the current International Maritime Organization (IMO) Marine Environment Protection Committee (MEPC) Circular summary of MARPOL 73/78 approved equipment.
The overboard discharge of any oil cargo residues and oily mixtures that include oil cargo residues from an oil tanker is prohibited, unless discharged in compliance with part 157 of this chapter.
When more than 12 nautical miles from the nearest land, any discharge of oil or oily mixtures into the sea from a ship other than an oil tanker or from machinery space bilges of an oil tanker; that is not proceeding enroute; shall be in accordance with paragraphs (b)(1), (b)(2), (b)(3), (b)(4), and (b)(5) of this section.
The provisions of paragraphs (a), (b), (c) and (d) of this section do not apply to the discharge of clean or segregated ballast.
The person in charge of an oceangoing ship that cannot discharge oily mixtures into the sea in compliance with paragraphs (a), (b), (c), or (d) of this section must ensure that those oily mixtures are—
Retained on board; or
Discharged to a reception facility. If the reception facility is in a port or terminal in the United States, each person who is in charge of each oceangoing tanker or any other oceangoing ship of 400 gross tons or more shall notify the port or terminal, at least 24 hours before entering the port or terminal, of—
The estimated time of day the ship will discharge oily mixtures;
The type of oily mixtures to be discharged; and
The volume of oily mixtures to be discharged.
No discharge into the sea shall contain chemicals or other substances introduced for the purpose of circumventing the conditions of discharge specified in this regulation.
This section does not apply to a fixed or floating drilling rig or other platform that is operating under a National Pollutant Discharge Elimination System (NPDES) permit.
Notes, amendments, and revision history
Amendments
[CGD 75-124a, 48 FR 45709, Oct. 6, 1983, as amended by CGD 78-035, 50 FR 36793, Sept. 9, 1985. Redesignated by CGD 88-002, 54 FR 18404, Apr. 28, 1989; USCG-1998-3799, 63 FR 35530, June 30, 1998; USCG-2000-7641, 66 FR 55571, Nov. 2, 2001]
Source
Source: Sections 151.09 through 151.25 appear by CGD 75-124a, 48 FR 45709, Oct. 6, 1983, unless otherwise noted.
Authority
Authority: 33 U.S.C. 1321, 1903, 1908; 46 U.S.C. 6101; Pub. L. 104-227 (110 Stat. 3034); E.O. 12777, 3 CFR, 1991 Comp. p. 351; Department of Homeland Security Delegation No. 170.1.
Source
Source: CGD 75-124a, 48 FR 45709, Oct. 6, 1983, unless otherwise noted.
Authority
Authority: 33 U.S.C. 1902, 1903, 1908; 46 U.S.C. 6101; 46 U.S.C. 70034; Pub. L. 104-227, 110 Stat. 3034; sec. 623, Pub. L. 108-293, 118 Stat. 1063; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4.
Amendments
[CGD 75-124a, 48 FR 45709, Oct. 6, 1983, as amended by CGD 78-035, 50 FR 36793, Sept. 9, 1985. Redesignated by CGD 88-002, 54 FR 18404, Apr. 28, 1989; USCG-1998-3799, 63 FR 35530, June 30, 1998; USCG-2000-7641, 66 FR 55571, Nov. 2, 2001]