Water and Wastewater Treatment
eBook - ePub

Water and Wastewater Treatment

A Guide for the Nonengineering Professional, Second Edition

  1. 300 pages
  2. English
  3. ePUB (mobile friendly)
  4. Available on iOS & Android
eBook - ePub

Water and Wastewater Treatment

A Guide for the Nonengineering Professional, Second Edition

About this book

Lauded for its engaging, highly readable style, the best-selling first edition became the premier guide for nonengineers involved in water and wastewater treatment operations. Water and Wastewater Treatment: A Guide for the Nonengineering Professional, Second Edition continues to provide a simple, nonmathematical account of the unit processes used

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Yes, you can access Water and Wastewater Treatment by Joanne E. Drinan,Frank Spellman in PDF and/or ePUB format, as well as other popular books in Technology & Engineering & Environmental Management. We have over one million books available in our catalogue for you to explore.
section two

Basics of water treatment

Chapter Two

Water regulations, parameters, and characteristics

Purpose: Quality parameters for water

The unit processes used to prepare raw or untreated water for public use and consumption are controlled and determined by water quality parameters. These parameters are set by federal regulations and are supported and strengthened by state law. Individual facilities must prove they meet regulatory standards through regulated programs of testing and reporting (see Figure 1.1).

Purpose: Water treatment

Treatment for drinking water removes from raw water those contaminants (Table 2.1) harmful or unpleasant to humans by a confirmed series of treatment steps or unit processes that produce safe potable water. In raw water treatment, the goals are to remove pollutants that affect water quality and to ensure that water safe for consumption is delivered to the consumer.
Table 2.1
Common Chemical Pollutants
Source
Common associated chemical pollutants
Cropland
Turbidity, phosphorus, nitrates, temperature, total solids
Forestry harvest
Turbidity, temperature, total solids
Grazing land
Fecal bacteria, turbidity, phosphorus
Industrial discharge
Temperature, conductivity, total solids, toxics, pH
Mining
pH, alkalinity, total dissolved solids
Septic systems
Fecal bacteria, (i.e., Escherichia coli, Enterococcus), nitrates, phosphorus, dissolved oxygen/BOD, conductivity, temperature
Sewage treatment plants
Dissolved oxygen and BOD, turbidity, conductivity, phosphorus, nitrates, fecal bacteria, temperature, total solids, pH
Construction
Turbidity, temperature, dissolved oxygen and BOD, total solids, and toxics
Urban runoff
Turbidity, phosphorus, nitrates, temperature, conductivity, dissolved oxygen, and BOD

Water quality: Federal regulations

Water quality standards are controlled by federal regulation, applied on all levels. After water quality standards came into law in the 1970s, the condition of our drinking water supplies improved drastically. These improvements were the result of two critically important regulations: the Safe Drinking Water Act (SDWA), passed by Congress in 1974, and the Water Pollution Control Act Amendments of 1972 (...

Table of contents

  1. Preliminaries
  2. Preface
  3. Acknowledgments
  4. About the authors
  5. On the cover: Pepacton Reservoir
  6. Section One: Introduction
  7. Section Two: Basics of water treatment
  8. Section Three: Basics of wastewater treatment
  9. Section Four: Basics of water and wastewater solids treatment and management
  10. Glossary