What is the name of a shallow water body where sewage is held and undergoes biological treatment?

Chemical Environmental Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Chemical Environmental Engineeringchemical-engineering › chemical-environmental-engineering-chemical-engineering
Published
11 Mar 2019
Last updated
28 May 2026

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Explanation

A lagoon is a shallow pond designed to retain sewage and treat it biologically. Unlike Imhoff tanks or skimming basins, lagoons rely on natural biological processes for sewage treatment.

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