- Population between 1000 and 50,000
- Surface water source with turbidity frequently above 50 NTU (We need to do an economic analysis of the feasibility of using slow sand filters for low turbidity locations.)
- Well organized water board responsible for maintenance and operation of the water supply system
- Community agreement to raise the water tariff to finance the plant operation
- Community agreement to provide labor and materials for construction of the water treatment plant
- Ideally the water supply network is designed such that a single water treatment plant can serve the entire community
Los requisitos mas importantes en orden
- Que la población sea más de 250 abonados
- Que exista capacidad de abastecer todo la comunidad 24 horas
- Que exista fuentes con turbidez que amerita tratamiento
- Que hay una organización responsable para la operación y mantenimiento de agua