dɹˈɪŋkɪŋ wˈɔːɾɚ kˈʌmpəniz lˈɪmɪt ðə mˌʌltɪplɪkˈeɪʃən ʌv bæktˈɪɹiə, pɹˌoʊɾoʊzˈoʊənz ænd ɪnvˈɜːɾɪbɹˌeɪts ˈɔːl nˈætʃɚɹəl pˈɑːɹts ʌv dɹˈɪŋkɪŋwˈɔːɾɚ dˌɪstɹɪbjˈuːʃən sˈɪstəmz.
Drinking water companies limit the multiplication of bacteria, protozoans and invertebrates (all natural parts of drinking-water distribution systems ).