He kūpono nā pāpaʻi multistage kūpaʻa no ka puhi ʻana i ka wai maʻemaʻe maʻemaʻe a me nā mea hoʻoheheʻe wai ʻē aʻe, a hoʻohana mau ʻia ma nā wahi penei:
1. Nā lawelawe kaona:lako wai, hoʻomehana, hoʻoluʻu, etc.
2. Kūkulu:hale ki'eki'e, hale kalepa, hale noho, hale hana nui, etc.
3. Mahiai:irrigation, wai inu, etc.
4. ʻOihana:kila, kemika, lāʻau lapaʻau, hana mana, etc.