Some people argue for a water-carried system, but then it has to empty somewhere, and what of the river?

Sewage is a water-carried waste, in solution or suspension, that is intended to be removed from a community.

The portion of the crater where Curiosity will land has an alluvial fan likely formed by water-carried sediments.

There were 900 cases of water-carried illness in Pakistan; the town of Nowshera was flooded.

It does not favour a specific sanitation technology, but is rather a new philosophy in handling substances that have so far been seen simply as wastewater and water-carried waste for disposal.