Introductory technical guidance for civil engineers, environmental engineers and other professional engineers and construction managers interested in wastewater treatment. Here is what is discussed: 1. INTRODUCTION, 2. PROCESS PERFORMANCE, 3. CROP SELECTION, 4. PREAPPLICATION TREATMENT, 5. LOADING RATES AND LAND AREA REQUIREMENTS, 6. STORAGE REQUIREMENTS, 7. DISTRIBUTION SYSTEM, 8. DRAINAGE AND RUNOFF CONTROL, 9. SYSTEM MANAGEMENT, 10. SYSTEM MONITORING, 11. FACILITIES DESIGN GUIDANCE, 12. REFERENCES.