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.
Water drinking games can help you drink more water. Just remember not to drink too much water, since that can be fatal. Water pong is similar to Beer Pong, just with water. If you commit to playing it once a week, you'll manage to increase your water intake considerably by month's end.