You can find the written version of this episode at https://labattu.com/s5c9-water-supply-waste-treatment/
(00:00) Intro
(00:48) Origin and supply of water
(04:38) Waste water and sewage
(07:24) Pollutants in water
(09:48) Water treatment and purification
(16:08) Solid waste treatment
(19:37) Radioactive waste management
(22:32) Trivia: Air quality index
(24:27) Further reading
(24:45) Outro
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