This book includes systematic study of Krishna, Indian sub Continental River. The works presented consist of physico-chemical study of water quality and parameters. Some of the studied parameters are BOD, COD, TDS, TSS, pH, Presence of heavy metal ions etc. The result is compared with standard prescribed by American Public Health Association (APHA), and Indian Council of Medical Research (ICMR). The result, testing methodology, and standards presented in this book may be highly useful for researchers from Agriculture, Chemistry, Civil Engineering, Textiles, Environmental Science and Engineering etc. Also this work will be useful to interested readers and laboratory technicians in water analysis. The experimental results obtained have been presented in this book with thorough statistical analysis.