This book is designed for use by professionals. The book covers the design of municipal water and wastewater facilities. I have assumed that the reader has had an introductory environmental engineering course and a first course in fluid mechanics.

That is, I have assumed the reader is familiar with notation such as mg/L and acronyms such as BOD as well as the concepts of mass balance, Bernoulli’s equation, and friction loss. Because I could not assume that the reader has used either Introduction to Environmental Engineering or Principles of Environmental Engineering and Science, some material from those texts is used to introduce the subject matter included here.

A Professional Advisory Board has provided their experience and expertise to vet the material in Water and Wastewater Engineering. The Board is composed of licensed engineers, a licensed geologist, and licensed treatment plant operators. A short biographical sketch and affiliation of
the Professional Advisory Board members is presented following this preface. They have read and commented on all of the chapters. In addition, a number of operators have been interviewed to obtain hints on methods for improving designs.

The book format is one that I used successfully over the 20 years that I taught the material. The book starts with an overview of the design and construction process including the application of the code of ethics in the process. The first half of the book addresses water treatment. Because
my course was built around a term design project, the subject matter follows the flow of water through the unit processes of coagulation, flocculation, softening (including NF and RO), sedimentation, filtration (including MF and UF), disinfection, and residuals management.

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