system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 what happens to all the soap?

What happens to all the soap, shampoo and detergent we flush away from our showers, washing machines etc? How is this separated in order for the water to become useable/drinkable?
gpt
Mostly all soap is biodegradable, so it will decompose naturally. Most waste-water will go to a wastewater treatment plant. These plants use process such as sedimentation, coagulation, aeration, and eventually filtration to create to by-products, clean environmentally safe water and sludge.