What happens to all the toilet waste on a cruise ship?

When a toilet is flushed on a cruise ship, the sewage travels to the onboard treatment plant. Here the waste is filtered before it enters an aeration chamber. The aeration chamber cleans the waste. It is then sterilized using UV light and released into the ocean when clean enough to do so.



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The wastewater that the cruise ship uses is heavily treated. It is either discharged into the water in designated areas of the ocean or released onshore into the local water treatment system.

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And while some other items in the video also seem fairly obvious, two things that are flushable at home can't be flushed on cruise ships -- wipes and non-cruise-ship toilet paper. A Carnival ship heads out to sea.

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Shipboard potable water (drinking, bathing, whirlpools, etc.) either comes from a shoreside water treatment plant or is generated on board from seawater via Reverse Osmosis systems or Evaporators. Swimming pool water is typically seawater.

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When a toilet is flushed on a cruise ship, the sewage travels to the onboard treatment plant. Here the waste is filtered before it enters an aeration chamber. The aeration chamber cleans the waste. It is then sterilized using UV light and released into the ocean when clean enough to do so.

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Cruise ship tap water is safe to drink unless you are told otherwise by the ship's authorities. The water throughout the ship has been treated, filtered and frequently tested to meet the standards of the World Health Organization and the U.S. Public Health Service on ships sailing into and out of U.S. ports of call.

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You might be a big fan of bottled water and refuse to drink tap water, but a cruise ship's water is MUCH better than tap water. They have high-tech filtration systems that allow the water coming out of your bathroom sink to be clean and more than pure enough to drink.

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Many cruise ships have self-service laundry facilities on each deck, including washing machines, dryers, ironing and detergent. Passengers can also use the ship's valet laundry services for a fee, which includes washing, pressing and dry cleaning. Alternatively, guests can hand wash and dry within their cabin.

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There are two ways to clean the bottom of a cruise ship. The first way is to dry dock the ship and clean it from the outside while undergoing other maintenance. The only downside to this method is how much it costs. When the vessel is dry-docked, it is expensive for the cruise line.

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Luggage screening is a thorough process that involves scanning all checked bags using X-ray machines and metal detectors. During the screening, cruise line staff looks for any prohibited items, such as weapons, drugs, and alcohol, that exceed the permissible limit.

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The food is blended with water until it's a smooth mixture and then either disposed of in port, incinerated, or pumped out to sea when the ship is deep water and away from the coastlines. Simple as that.

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All of that waste is either processed via biodigesters or dehydrators, or offloaded on shore. Some of the company's ships have long had dehydrators, which squeeze the water from food waste and lighten the load that can be taken to landfills, compost sites or waste-to-energy facilities.

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No cruise line is going to endanger guests (or invite legal action or bad press) by putting anything like a laxative in their food or drinks. Next time your on the ship remember: Washy Washy, and use hand sanitizer.

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Yes, cruise ships have brigs, which is the nautical term for a jail on a vessel, including a cruise ship. The term comes from the word brigantine, which is a type of two-masted sailing ship formerly used to house criminals.

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The most polluting cruise ships operator was MSC Cruises – whose cruise ships emitted nearly as much SOx as all the passenger vehicles in Europe. Accounting for all of its subsidiaries, the Carnival group polluted the most. Many cruise operators like MSC are investing in fossil gas (LNG) as a cleaner alternative.

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Morgues on Cruise Ships Most cruise ships are required to have a morgue on board as well as enough body bags in case of an emergency. The body will be kept at the morgue until it can be disembarked at the next major port or at the port of origin.

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Approximately 40% of the average cruise ship sits below water. The larger or higher the ship, the less of it is in water. This may seem counterintuitive, but this is how math and physics work out!

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Usually, this involves your cabin steward cleaning and sanitizing the bathroom, emptying trash bins, replacing towels, making the bed/beds, vacuuming as needed, refilling ice bins, washing and replacing glassware and a general tidying of the room.

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Soap and Other Toiletries Most ships are equipped with soap, shampoo, conditioner, lotion and shower caps. As you move up to higher cabin classes or luxury lines, the amenities increase. You may find cotton swabs, cotton balls, bath salts, sunblock, loofa scrubs, colognes or choices among prestige brands.

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Your bed linens might be changed frequently, but decorative blankets, bedspreads and pillows aren't always laundered between sailings. Remove these items from your bed and hide them in a closet or drawer – or ask your cabin steward to take them out of your room for the duration of your cruise.

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Water is always free of charge on most cruise ships. You may be asked to pay a fee for some versions of bottled water. However, you can likely ask for a jug of iced water in any restaurant or bar for no added cost. There are several water dispensers present on a cruise ship so that you can help yourself.

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Guests may also bring non-alcoholic beverages as carry-on items on boarding day. Non-alcoholic beverages may not exceed 12 standard (17 oz.) cans, bottles or cartons per stateroom. Milk and distilled water brought on for infant, medical, or dietary use are permitted.

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Can you bring snacks, like candy, on a cruise? Shelf-stable snacks like chips, pretzels, protein bars or any other items packaged in sealed wrappers are permitted on every major cruise line.

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