Definition
Wastewater sewer is a sewer or gutter channel (pipe) used to drain liquid waste / dirty water from somewhere (a place to stay; market; shopping; office; factory etc..) To dump (rivers, lakes, ponds, drains a large , certain land). This question is intended to determine whether there is sewage. If no sewer, how is she? Are flowing smoothly, no running smoothly (for various reasons), or stagnant (no flow at all, is reduced only because seep into the ground).