... tap. The chapterdescribes the structure of the works, the distribution of contaminated water, the nature of the contamination of the water supply, water quality data on the concentrations of the ... overview of the Lowermoor water pollution incident, describes the distribution ofcontaminated water and summarises the monitoring data collected by the water supplier on the concentrations of contaminants ... 297Appendix 12: Report on the estimated consumption of aluminium, sulphate, copper, zinc, lead and pH following the 299contamination incident on 6th July 1988. Crowther Clayton Associates. Report no....