浄化槽 じょうかそう Meanings Noun water-purification tank septic tank Kanji 浄 purify. Read as ジョウ. 化 transform 槽 tank. Read as ソウ. Words containing 浄化槽 浄化槽法 (じょうかそうほう) Purification Tank Act Jinuma: Japanese Dictionary · Word lists