Water Chlorination. Part 2. Searching for solutions in troubled waters -- A worldwide perspective

Last week we reviewed the history and current use of chlorination in the treatment of drinking water. Our discussion highlighted a number of potential risks associated with chlorine and some of its reaction products. 1 But what are the alternative methods currently under study for disinfecting public water supplies? Which organizations in the US and abroad are concerned with chlorination and water treatment? In this concluding essay, let’s assess the state of public wasupplies around the world and end by discussing what ISP’s research fronts reveal about the scientific literature related to chlorination.