Ka tukuna te wai para ahumahi i te wā o te tukanga whakaputa. He tino take nui tēnei o te parahanga taiao, inā koa te parahanga wai. Nō reira, me tutuki i te wai para ahumahi ētahi paerewa i mua i te tukuna atu, i te whakaurunga rānei ki te whare maimoatanga para mō te maimoatanga.
Ka whakarōpūtia hoki ngā paerewa tukunga wai para ahumahi e ngā ahumahi, pērā i te ahumahi pepa, te wai para hinuhinu mai i te Ahumahi Whakawhanake Hinu o te Moana, te wai para kakahu me te tae, te tukatuka kai, te wai para ahumahi haukini hangai, te ahumahi maitai, te wai para hiko, te wai ahumahi konupūmā me te polyvinyl chloride, te Ahumahi waro, te tukunga parahanga wai ahumahi phosphate, te wai tukatuka konupūmā me te polyvinyl chloride, te wai para hauora hōhipera, te wai para patu pepeke, te wai para whakarewa.
Ngā tawhā aroturuki me te whakamātautau wai para ahumahi: PH, COD, BOD, hinu, LAS, hauota haukini, tae, āheniki katoa, chromium katoa, chromium hexavalent, parahi, nikara, cadmium, konutea, mata, mercury, phosphate katoa, pūhaumāota, fluoride, me ētahi atu. Whakamātautau whakamātautau wai para kāinga: PH, tae, pōuri, kakara me te reka, e kitea ana e te kanohi tahanga, pakeke katoa, rino katoa, manganese katoa, waikawa whanariki, pūhaumāota, fluoride, cyanide, nitrate, te tapeke o ngā huakita, Bacillus whekau nui katoa, chlorine kore utu, cadmium katoa, chromium hexavalent, mercury, mata katoa, me ētahi atu.
Ngā tawhā aroturuki wai para o te rerenga tāone: Te pāmahana wai (ngā nekehanga), te tae, ngā totoka i whakatārewatia, ngā totoka rewa, ngā hinu kararehe me ngā hinu huawhenua, te hinu, te uara PH, BOD5, CODCr, hauota haukini N,) hauota katoa (i roto i te N), te whākawa katoa (i roto i te P), te matū horoi anionic (LAS), te cyanide katoa, te haurore toenga katoa (hei Cl2), te whanariki, te fluoride, te chloride, te sulphate, te mercury katoa, te cadmium katoa, te chromium katoa, te chromium hexavalent, te arsenic katoa, te mata katoa, te nickel katoa, te strontium katoa, te hiriwa katoa, te selenium katoa, te parahi katoa, te konutea katoa, te manganese katoa, te rino katoa, te phenol mimiti, te Trichloromethane, te waro tetrachloride, te trichloroethylene, tetrachloroethylene, ngā halide waro mimiti (AOX, i roto i ngā kupu o te Cl), ngā patupatu organophosphorus (i roto i ngā kupu o te P), te pentachlorophenol.
| Ngā tawhā | Tauira |
| pH | Mita pH Ipurangi PHG-2091/PHG-2081X |
| Te pōuriuri | Ine Pūngāwerewere Ipurangi TBG-2088S |
| Oneone whakatārewatia (TSS) | Mita Totoka Whakatārewatia TSG-2087S |
| Te Ahumahi/TDS | Ine Aroturuki Ipurangi DDG-2090/DDG-2080X |
| Hāora Whakarewa | Mita Hāora Whakarewa DOG-2092 |
| Konukōmiuma Hexavalent | Kaitātari Ipurangi TGeG-3052 Hexavalent Chromium |
| Hauota Haukini | NHNG-3010 Tātari Hauota Haukini Ipurangi Aunoa |
| COD | Kaitātari COD Ipurangi Ahumahi CODG-3000 |
| Āheni Katoa | TAsG-3057 Kaitātari Āseni Katoa Ipurangi |
| Konupora katoa | TGeG-3053 Kaitātari Chromium Katoa Ipurangi Ahumahi |
| Manganese Katoa | TMnG-3061 Tātari Konupora Katoa |
| Hauota katoa | TNG-3020 Tātari kounga wai hauota katoa ipurangi |
| te whākōkī katoa | TPG-3030 Tātari aunoa ipurangi mō te katoa o te whākawaka |
| Taumata | Mita Taumata Ultrasonic YW-10 |
| Rere | Ine Rere Hikohiko BQ-MAG |


