Here are three ways to treat water so it’s safe to drink.
1. Boil water over a stove or campfire. Once it comes to a rolling boil (when 1/2-inch bubbles are rising from the bottom of the pot), then it’s clean.
2. Filter water with a handheld filter. Most require you to pump the water slowly through screens and filters that remove dangerous bacteria. Many include a purifying stage that will also treat viruses. Filters can be expensive, but they are reliable and easy to use.
3. Chemical treatment is probably the easiest and cheapest method. Put a tablet or two in your jug of water and in about 20 minutes it’ll be ready to drink. The tablets might leave a bitter taste, but you can use a sports drink mix to cover it.