sewage

noun

sew·​age ˈsü-ij 

: refuse liquids or waste matter usually carried off by sewers

Examples of sewage in a Sentence

Recent Examples on the Web

That was again thinking about how that work could mitigate this city problem of sewage runoff in rainwater. — Maximilíano Durón, ARTnews.com, 2 Oct. 2026

Nearly 30 other entities and municipalities — including Beverly Hills, Culver City and West Hollywood — rely on Hyperion to treat their sewage. — Sandra McDonald, Los Angeles Times, 2 Oct. 2026

As the Israel-Hamas war nears its three-year mark, an outbreak of algae throughout Israel’s desalination plants is threatening the country’s water supplies, which could affect the sewage systems in Gaza. — Justin Klawans, TheWeek, 30 Sep. 2026

People tend to think of waste as trash, sewage, slag, manure and other seemingly useless or disgusting substances. — Edward D. Melillo, The Conversation, 30 Sep. 2026

Word History

Etymology

sewer entry 1

First Known Use

1834, in the meaning defined above

Phrases Containing sewage

• sewage farm
• sewage plant
• sewage treatment plant
• sewage works

Kids Definition

sewage

noun

sew·​age ˈsü-ij 

: waste materials carried off by sewers

Medical Definition

sewage

noun

sew·​age ˈsü-ij 

: refuse liquids or waste matter carried off by sewers