Nā ngā pūtora whakamatakitaki kōwhaiwai me ngā pūtahi wīra rerekē i te whakatūhia hei whakarite mō ngā whare hauora e mahi ana i ngā mea tere ki te wai. Ko ngā pūtahi kōwhaiwai he wāhi whakarato ārite mō ngā mea whakamomori ā-wāhanga me ēnei mea tere ki te wai kia tiakina mai i ngā nui o ngā huinga wai. Ki runga i te kikoā rerekē, ka whiwhi ngā kai mahi hauora i te whirinaki pai rawa o ngā mea i te ara pai utuutu kāore i ngā tahinga kore tikanga. Noho ake nei i tō tātou kaupapa pai, ko ia kotahi i hangaia i roto i ngā ture pai, no reira ka tuku ki ngā manukura ngā whakangao hauora pai, i te waehara he mea whiwhi i aua wā.