sewerage

sewer +‎ -age

• (Received Pronunciation) IPA^(key): /ˈsuː.ɹɪd͡ʒ/, /ˈsuːə.ɹɪd͡ʒ/

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sewerage (countable and uncountable, plural sewerages)

1. A network of sewer pipes that geographically transfers wastewater; a sewer system.
2. (rare or nonstandard) Sewage.
   • 1860, Acts of the Legislature in Reference to Water Supply and Reports of Water Commissioners, With Accompanying Documents, 1851-60, page 276:

     Mr. Lovick made a similar experiment, to determine accurately the amount of sewerage from 1,200 average sized houses in London, where there was an intermittent supply of water from the different water companies.

   • 2001, Paedogeddon (Brass Eye TV special)

     They put off paedophiles by spraying the child with eight litres of pressurized sewerage.

   • 2010, India Today 5 Apr 17

     About 3.6 billion tonnes of untreated sewerage flows daily into the Yamuna, which supplies over 60 percent of Delhi's water.

• simplified sewerage