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.
In some cases you may find it necessary to obtain your drinking water from a fresh water pond. Drinking the water from the pond as it is can be dangerous to your health due to contaminants or microorganisms that may cause various harmful conditions such as E. coli infection or leptospirosis.