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.
Drinking natural alkaline water is generally considered safe, since it contains natural minerals. However, you should use caution with artificial alkaline water, which likely contains fewer minerals necessary for good health than its high pH would have you believe, and overuse may leave you deficient. 1  1.