Foreword. Acknowledgements. Indicators of Drinking Water Quality in the Americas; R.A. Deininger. Future Perspectives and International Cooperation; J. Bartram. International Instrument for Prevention, Control and Reduction of Water Related Diseases; A. Pinter, R. Enderlein. Upgrading Public Water Supplies; H. Bartel. Risk Management to Provide Safe Drinking Water; R.M. Clark. Early Warning Systems on the Rhine and Elbe in Germany; R.-D. Wilken, et al. Early Warning System for Chemical Spill on the Ohio River; W.M. Grayman, et al. Early Warning System on the Danube River; G. Pinter. Integrating Physical, Chemical and Biological Monitoring; M. Thomas. Trace Metals in Drinking Water: Sources and Effects; J.O. Nriagu, M.-J. Kim. Prevention of Lead in Drinking Water; R.A. Deininger, E.V. Bernstam. Organic Micropollutants in Drinking Water Resources; P. Literathy. Non-polar Micropollutants in Water Resources; I. Liska. Microbial Quality Issues for Drinking Water; E.E. Geldreich. Microbiological Safety of Water Supplies; M. Kadar. Impact of the Distribution System on Water Quality: A UK Perspective; I. Walker. Maintaining a Disinfectant Residual in the Distribution System; R.A. Deininger. Privatization of Water Supplies; C. Chefdeville. Pharmaceuticals in Sewage, Surface and Drinking Water in Germany; R.-D. Wilken, et al. Sabotage of Public Water Supply Systems; R.A. Deininger, P.G. Meier. Subject Index.