This publication provides introductory technical guidance for civil engineers, environmental engineers and other professional engineers and construction managers interested in design and construction of wastewater collection and treatment facilities in arctic and subarctic regions. Here is what is discussed: 1. GENERAL, 2. DESIGN CONSIDERATIONS, 3. APPURTENANCES, 4. PUMP STATIONS, 5. PRESSURE SEWERAGE, 6. VACUUM SEWERAGE, 7. WASTEWATER TREATMENT.