Originally Posted by pdurrant
I don't remember any mention of latrines or anything else to do with waste disposal. They mention getting running water into the cave, but not where they sent the overflow.
Part 1, Chapter 21, paragraph 6:
During this period of cold, Cyrus Harding had great cause to congratulate himself on having brought to Granite House the little stream of water from Lake Grant. Taken below the frozen surface, and conducted through the passage, it preserved its fluidity, and arrived at an interior reservoir which had been hollowed out at the back part of the storeroom, while the overflow ran through the well to the sea
Also, Part 2, Chapter 9, paragraph 22:
For this, it was enough to augment the flow of the little stream which supplied the interior of Granite House with water. The opening among the stones and grass was then increased, thus producing a strong fall at the bottom of the passage, the overflow from which escaped by the inner well