水质

水质	shuǐ zhì	water quality
水	Shuǐ	surname Shui / Shui ethnic group
水	shuǐ	water / (after a name) ... River / to swim (used mostly in 会水 and 水性) / (coll.) lacking in substance; shoddy / (bound form) additional cost; extra income / classifier for washings of a garment
质	zhì	character / nature / quality / plain / to pawn / pledge / hostage / to question / Taiwan pr. [zhi2]