The delivery system needs to be taken as a warning rather than seeing the news of the isolated testing of the mall in the water.

The polluted sources, leak pipes, linking to water, or insurrection of non-integration, can be unsafe. It is the risk of drinking water including Diaryia.

The regular sample test results, the fast repair of bad lines, and safe water access to dangerous areas are necessary. A citizen should drink water at a level or clean up method.