How many gallons of sewage does a cruise ship hold?

With over 7,000 passengers and crew, Symphony of the Seas generates 210,000 gallons of black water and one million gallons of grey water during a one week cruise. All the wastewater onboard is collected and absolutely nothing goes overboard unless it is first run through a treatment plant.



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On a one-week journey on a medium sized cruise ship, over 200,000 gallons of sewage is collected and at some point must be treated and released into the sea or discharged onshore, but most is released into the sea.

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Do Cruise Ships Dump Sewage? Yes. To get into a few more specifics than above, the U.S. allows cruise ships to dump treated waste into the ocean if they are within three and a half miles from shore. Beyond that point, there are no restrictions for dumping untreated, raw sewage in U.S. ocean waters.

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Do Cruise Ships Dump Sewage? Yes. To get into a few more specifics than above, the U.S. allows cruise ships to dump treated waste into the ocean if they are within three and a half miles from shore. Beyond that point, there are no restrictions for dumping untreated, raw sewage in U.S. ocean waters.

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U.S. law requires cruise ships to treat waste within about 3.5 miles of shore—but beyond that, there are no restrictions on dumping polluted sewage and graywater. Researchers have estimated that over a billion gallons of sludge made from excrement and food scraps are released into the ocean every year by cruise lines.

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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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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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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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Yes, there are morgues on most of the world's largest cruise ships. The larger the ship, the larger the morgue's capacity. Vessels are also required to carry body bags.

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In general, a cruise ship captain salary ranges between $54,000 and more than $100,000. This may seem like a low pay scale considering the responsibilities that come with the job.

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79% of all crimes reported onboard cruise ships are sexual assaults, as per the US Department of Transportation. This statistic is a stark reminder of the prevalence of sexual assaults on cruise ships, and serves as a powerful reminder of the need for increased safety measures to protect passengers.

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While hotels and motels can be especially attractive locations for all forms of human trafficking, it is also important to note that human trafficking occurs at sporting events, theme parks, on cruise ships, and in many other areas of the tourism industry.

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In 2023, a decade-high number of cruise ships have reported an unwelcome passenger on board: norovirus. Outbreaks of the stomach bug have surged on cruise ships this year, reaching the highest levels seen in 10 years.

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The CDC's tally of norovirus outbreaks so far confirmed on cruise ships in 2023 is already higher than any annual outbreak tallies since 2012, when the health agency recorded 16 outbreaks.

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Serving expired foods, failing to enforce kitchen sanitation practices, cross-contamination and other issues involving improper food handling and safety practices are among the leading causes of food poisoning onboard cruise ships.

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