Hoʻolālā kūikawā ʻia ka ʻōnaehana DTRO ʻo Jiarong no ka mālama ʻana i ka wai ʻino loa, e like me ka leachate a i ʻole ka wai ʻōpala lāʻau. Holo kūʻokoʻa kēia ʻōnaehana. Ua hoʻokomo ʻia ma mua o 300 mau ʻōnaehana ma ka honua me ka mālama ʻana i kēlā me kēia lā o 100,000 m 3 .
