1 History of Water Supply Systems -- History of Water Quality -- Composition of Raw Water -- History of the Water Supply Companies -- The Scottish Situation -- 2 Types of Pollution -- Water Found Naturally is Never Pure -- Definitions of Pollution -- Pollution Philosophy -- Natural Pollution -- 3 Causes and Consequences of Toxic Incidents -- Causes -- Consequences -- 4 Perception and Acceptance of Risk -- Hazard Identification -- Risk Estimation -- Societal Risk Assessment -- Acceptable Risks -- Dimensions of Risk and Benefits -- Risk Avoidance and Reduction -- 5 Hazard Identification and Risk Quantification of Drinking Water -- Potential Abstraction Risk Index -- Risk Quantification -- 6 Case Studies -- Case Study 1: Minimata -- Case Study 2: Showa -- Case Study 3: Goshonoura -- Case Study 4: Iraq -- Case Study 5: Jintsu River -- Case Study 6: Leipzig -- Case Study 7: Tokyo -- Case Study 8: Richmond, Virginia -- Case Study 9: Niagra -- Case Study 10: Elgin -- Case Study 11: Woodkirk -- Case Study 12: Schweizerhalle -- Case Study 13: Camelford -- Case Study 14: Chirk -- 7 Pollution Monitoring, Detection, Identification and Assessment Systems -- Pollution Monitoring and Detection -- Assessment of Pollution Monitoring and Detection Systems -- Reliability of Water Treatment Systems in the Removal of Pollutants from Raw Water -- Methods of Pollution Reporting -- 8 Treatment Methods for Drinking Water -- Basic Water Treatment Methods -- Removal of Pollutants from Rivers -- Prevention at Source -- Application of the PARI Rating System in the Assessment of Potentially Hazardous Sites -- The River Dee System of Water Protection -- 9 Surface Water Pollution in Europe -- Water Pollution in European States -- Sewage Treatment within EC Member States -- Summary -- 10 The Role of Legislation -- Control of Pollution Act (1974) Part 11 -- Water Act 1983 -- Water Act 1989 -- The Requirements of Legislation -- The Legislative Role -- 11 General Conclusions and Recommendations -- General Conclusions -- Recommendations -- Appendix Drinking Water Standards -- References.