sewerage
/ˈsɜːrɪdʒ/; /ˈsuːərɪdʒ/Definitions
1. noun
the system of pipes, pumps, and treatment plants used to dispose of sewage and wastewater
“The city’s sewerage infrastructure is outdated and in need of renovation.”
2. noun
the sewage and wastewater removed from a community or region
“The sewerage from the city is being treated at a nearby facility.”