Water Chemistry is solely designed to provide knowledge of the principles related to Engineering chemistry so as to meet the challenging requirements of students as well as teachers of the concerned field. In this book the basic concepts are cleared in an elaborative way to understand depth of the subject therefore will emerge out as self-guide for the learners. This edition is a part of curriculum and highly recommended for Engineering and technology (UG) level and in Industrial Chemistry Curriculum (PG level) in some of Indian Universities.