For example, I regularly plug a Micro USB cable into an iPhone charger and charge with that. Cheap, non phone chargers however, may not be regulated, and that could damage your phone. In short: Any cable or charger from an old phone is fine to use if its Micro USB (same connector).
Untreated surface water in rivers, streams, lakes, and ponds is not safe to drink unless it is treated to remove bacteria, viruses, and parasites.
Beijing Says Tap Water is Safe, but Chinese Scientists Disagree. Scientific report at odds with official word from ministry. Charles Liu, May 4, 2016 11:44am (updated) Nearly everyone in China uses bottled water for drinking, which isnât exactly a strong vote of confidence in the quality of the cityâs tap water. But if you want to know if tap water is safe to drink, youâll get conflicting answers.