____ water is basically produced, cleaned water which is lost somewhere in the water distribution system, never reaching its final destination. This means water not used or paid for, affecting local economies as well as local resources available. Primary sources of water are ____, ____ and ____ Basic of water treatment process are : 1. Raw water abstraction (water intake) 2. ____ 3. Aeration 4. ____ 5. Sedimentation 6. ____ 7. Disinfection & pH adjustment 8. Distribution

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