...what would you do differently?? Maybe the answer is 'nothing', as this was such an unusual situation. I do not aspire to have ANY engineering knowledge, but lack of knowledge has not stopped many people from expounding on this situation. <img src="http://www.traveltalkonline.com/forums/images/graemlins/Grin.gif" alt="" /> Despite the inconvenience of no a/c and little hot food, it is obvious what the 'number one' and 'number two' problems were for the passengers. <img src="http://www.traveltalkonline.com/forums/images/graemlins/Wink.gif" alt="" /> <img src="http://www.traveltalkonline.com/forums/images/graemlins/Grin.gif" alt="" /> It is my understanding that cruise ships are legally required to treat their sewage before it is disposed of in the water, so a 'low tech' solution does not seem possible. Possibly have the sewage system part of the emergency systems and put the public bathrooms (only) on a separate 'circuit' to ensure that at least all the public bathrooms are operational?