As Barnes points out in his article, determining the source of pollution and estimating the sphere that is affected is very demanding in terms of both money and technology, not to mention the elimination of pollutants (Barnes 50). The cost of managing water pollution depends on many reasons, one being that the greater the extent of the impact of water pollution, the more money will be spent. Another is that the types of pollutants are different and the cost is different. The more difficult it is to consume pollutants, the more difficult it is to do so