Point-of-Supply Chlorination.
https://www.emergency-wash.org/water/en/technologies/technology/point-of-supply-chlorination
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Point-of-Supply Chlorination at community water points, schools, health centres and water tanks involves the installation of a device at the water point that is operated by water pressure. The device continuously releases a dose of chlorine into the collected water by dissolving solid chlorine media or by dosing liquid chlorine. Disinfection occurs during the transport of water to the home and storage in the container. During disease outbreaks, the dosing of chlorine can be done manually (bucket Chlorination).