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sewerage

American  
[soo-er-ij] / ˈsu ər ɪdʒ /

noun

  1. the removal of waste water and refuse by means of sewers.

  2. a system of sewers.

  3. sewage.


sewerage British  
/ ˈsuːərɪdʒ /

noun

  1. an arrangement of sewers

  2. the removal of surface water or sewage by means of sewers

  3. another word for sewage

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sewerage

First recorded in 1825–35; sewer 1 + -age

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There are many major public sector projects in the pipeline, including the Deep Tunnel Sewerage System, as well as coastal protection and flood mitigation works.

From The Wall Street Journal • Jan. 22, 2026

The Milwaukee Metropolitan Sewerage District’s wastewater treatment system has been handling increased volumes of milk, a spokesperson confirmed, though he couldn’t verify how much.

From Seattle Times • Jul. 11, 2023

Proposals to build backup power plants for the Passaic Valley Sewerage Commission’s treatment plant in Newark and for NJ Transit, the state transportation agency in nearby Kearny, are also still pending.

From Washington Times • Apr. 17, 2023

The Passaic Valley Sewerage Commission is seeking a state environmental permit to build the largest portion of a $180 million gas-fired backup power plant, designed to kick in if the main facility is knocked offline.

From Seattle Times • Apr. 25, 2022

In 1900 Miss Gordon had accepted an invitation to address the convention of the National Association in Washington on the famous Sewerage and Drainage Campaign of women in New Orleans.

From The History of Woman Suffrage, Volume VI by Harper, Ida Husted

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