Japan-Places.com has listed approx 959 Water treatment plants in Japan. Some of the Top rated Water treatment plants in Japan are- Ushida Water Treatment Plant, Kozogawa Water Treatment Plant, Niibo Dam, 荒川左岸南部支社/荒川水循環センター, Osakakoikisuidokigyodan Murano Water Treatment Plant, Kuriyama Water Treatment Plant, Nagoyashi Jogesuidokyoku Nabeyaueno Water Treatment Plant, Takamiya Water Treatment Plant, Kanagawa Water Supply Authority Isehara Water Treatment Plant & 香川県五名ダム管理事務所.