Accepted minimum quality of water used in pharma products


Manufacturing Stage



Initial rinsing of products


Final rinsing of products

(If the equipment is dried with 70% alcohol after rinsing,  it should be diluted in water of the same quality as  the water used for the final rinsing)


Potable water



Non sterile Intermediate active pharmaceutical ingredients



Purified water






Non sterile pharmaceuticals Sterile non injectables*

*Or of the same level of quality as that used for production if the water quality is superior to « purified water »



WFI water



Sterile injectables*
*The level of quality “highl purified” is accepted if it is justified and validated when depyrogenation follows the final rinsing