Finding the best survival water filtration system for a survival situation can be difficult as it's hard to predict what will happen to the water supply. In the case of a nuclear strike, you'll be dealing with gamma radiation while if it's anything to do with disease you'll need to be filtering out the bacteria and viruses to keep you and your family safe.
In either case, you should start with enough bottled water to see you through the first few days, but you will need a long term system in place at your permanent base camp.
When you're trying to work out the best survival water filtration system for your survival party, you should look out for brands that have the following key features:
With these key features in mind, your options for the best survival water filtration system become narrower. For the best buys, try looking at the following brands:
Berkey filtration systems are among the more expensive on the market, with a basic model providing clean water for a group of four adults coming in around $300, not including replacement filters. However, Berkey has a reputation for high quality and durability.
Katadyn's main selling feature is a multi step approach. The system can be used as a standalone water filter, but also comes with day filters, bottles and long term storage tanks that allow you to be flexible between staying at camp and day trekking.
Seychelle are relatively new on the market and specialize in dedicated survival filtration systems. The larger models will hold 50 gallons at a time and the filters are narrow enough to remove any diseases and some forms of radiation.
Having a reliable source of clean water will be essential for a survival situation, so be sure to talk to other preppers about the best survival filtration system that they know about. As with all parts of your survival preparations, you'll be restricted by the size and the cost.
You need to make sure that you will be able to transport your filtration system to your permanent base camp ahead of time, so it needs to be carryable by members of your team. You should aim to spend as much as possible, as you will always get what you pay for.