Within 3-12 NM, which waste is allowed to be discharged?

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Multiple Choice

Within 3-12 NM, which waste is allowed to be discharged?

The rule comes from MARPOL Annex V, which governs how ship-generated garbage may be discharged at sea depending on distance from land. In the 3 to 12 nautical mile band, the only discharges permitted for garbage are non-plastic waste that has been pulped or shredded, and sewage (black water). Pulping or shredding reduces the size of the waste, making disposal at sea more acceptable while still protecting nearshore environments. That’s why black water, pulped trash, and shredded metal are the items listed as allowable in this zone. Gray water is not included here because wastewater from sinks and showers is regulated more strictly and isn’t permitted as a routine discharge within this band. Oily waste is prohibited within 3–12 NM due to oil pollution concerns (it must be treated or discharged further offshore). Dunnage (large wooden packing material) isn’t permitted to be discharged in this zone either due to its size and potential hazards.

The rule comes from MARPOL Annex V, which governs how ship-generated garbage may be discharged at sea depending on distance from land. In the 3 to 12 nautical mile band, the only discharges permitted for garbage are non-plastic waste that has been pulped or shredded, and sewage (black water). Pulping or shredding reduces the size of the waste, making disposal at sea more acceptable while still protecting nearshore environments. That’s why black water, pulped trash, and shredded metal are the items listed as allowable in this zone.

Gray water is not included here because wastewater from sinks and showers is regulated more strictly and isn’t permitted as a routine discharge within this band. Oily waste is prohibited within 3–12 NM due to oil pollution concerns (it must be treated or discharged further offshore). Dunnage (large wooden packing material) isn’t permitted to be discharged in this zone either due to its size and potential hazards.

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