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In Brazil, the urbans downtowns generally are benefits with quality water distribute for water concessionaire of each region. Unfortunately, this reality doesn’t include the rurals communities. Ituporanga’s city – Santa Catarina, it didn’t escape this reality: 57% of the residences are water suplly for the water concessionaire, while that 43% of the residences, located in rural area, they aren’t served for the same one. In order to simple technology, of easy operation and maintenance, it is suggested implantation of bankfiltration followed of backwashed slow sand filter, for to suplly the rurals communities. As answer, the research obtain good quality water, since that maked addition of the disinfection, this is demand for the Regulation n° 518 of 2004, Health Department. Palavras-chave: filtracao em margem; filtracao lenta retrolavavel; agua; Portaria n° 518.

Desempenho do sistema filtração em margem seguida de filtração lenta retrolavável em Ituporanga Santa Catarina.