sewage system

The medieval city featured streets as well as a water and sewage system.

Although the state constitution restricts municipal investments, a Waring or “Separate” sewage system has been established.

Practically all of the house to house sewage system of San Francisco had been destroyed.

The middle of some of the streets was traversed by a mountain stream, the above-ground sewage system of Aosta.

Next he turned upon an officer and wanted to know just what the sewage system of the town was.

They also have a sewage system for carrying off the water of the rains.