sanitary sewers
Sewers that carry industrial or residential liquid and solid wastes but not ground, surface, or storm waters. For parts of building plumbing systems designed to dispose of similar wastes, use "sanitary drainage systems.".
Sewers that carry industrial or residential liquid and solid wastes but not ground, surface, or storm waters. For parts of building plumbing systems designed to dispose of similar wastes, use "sanitary drainage systems.".