Introductory technical guidance for civil and environmental engineers and other professional engineers and construction managers interested in domestic water treatment systems. Here is what is discussed: 1. GUIDANCE AND METHODS 2. SCREENING 3. AERATION 4. SLUDGE REMOVAL 5. COAGULATION AND SEDIMENTATION 6. FILTRATION 7. DISINFECTION 8. SOFTENING 9. SPECIAL TREATMENT 10. SALTWATER CONVERSION 11. DISPOSAL OF WASTES FROM WATER TREATMENT PLANTS 12. CHEMICAL FEEDING AND HANDLING 13. METERING, INSTRUMENTATION, AND CONTROL