Question 1 (a) The following analysis was obtained on samples from different source water supplies that could be used as raw water to a drinking water treatment plant. (i) Indicate the likely nature of each of the sources (is it ground water or river water, treated effluent, etc.) and give reasons for your answer. (9) (ii) Assess the quality of each source as feed water to a drinking water treatment plant. Identify the constituents that need to be adjusted to make the source water fit for drinking water, and name suitable treatment processes (give motivation for your selection) that could be employed to make each supply fit for human consumption and also chemically stable