I ka ʻoihana mālama wai, hoʻohana nui ʻia nā huahana kānana i ka wehe ʻana i nā mea i hoʻokuʻu ʻia, sediment, organika mea, kemika, a me nā microorganism i loko o ka wai, e hoʻomaikaʻi ana i ka ʻike, turbidity, ʻala, a me ka ʻono.
Hiki iā mākou ke hāʻawi i nā huahana kānana pili e pili ana i ka ʻoihana mālama wai.
