The choice of an cost- ...

The choice of an cost- effective drinking water purification system depends on Emergency Situation, the source of water, pollutants in water, their quantity and other. Possible simple option of solution: using self-made filters for each family, filters for individual houses and a centralized filter for cleaning (depending on the situation, conditions, local resources). As fillers of filters can be sand, known sorbents, including sorbents with bactericidal properties,bactericidal additives and other.