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Articles on Sewage

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A group of Enviro-Champs using a velocity plank to measure the depth and discharge of a river. Courtesy DUCT and GroundTruth.

Sewage leaks put South Africa’s freshwater at risk: how citizen scientists are helping clean up

In South Africa, a group of citizen scientists who test water quality and log the results on a specialised app have helped keep the water supply for 4.3 million people clean.
Sewage samples mixed with magnetic beads and loaded onto the liquid-handling robot for viral concentration. C. H. Sheikhzadeh @ HOMA Photographic Art

Sewage-testing robots process wastewater faster to predict COVID-19 outbreaks sooner

A community’s wastewater can predict coronavirus cases that haven’t yet been diagnosed. The quicker that information is known, the better.

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