Audit Check List- Water Supply System

• To ensure the reliable production of water of the required quality are water treatment plants –
A. designed and constructed? B. maintained and operated?.

• Are water sources, water treatment equipment and treated water checked for contamination and maintained regularly for
A. chemical? B. Microbial?

• Does the monitoring system cover
a. sample size?
b. location where samples are taken from?
c. frequency of sampling?
d. test and specifications including chemical, microbiological and Pyrogen tests?

• Are records of the result of the monitoring and any of remedial action maintained?
• Is the water produced, stored and distributed in such a way to discourage microbial growth?
• Are pressure relief outlets of water storage protected by hydrophobic microbial air filters?
• Method of water for production;
a. by distillation? b. by other means (mention the method)? … …

• Is purified /Distilled water stored
a. in clean, non-reactive, non-absorptive, non-additive containers?
b. protected from contamination?

• If it is not recirculated, is it discarded after 24 hours?
• Is UV light installed in purified water distribution system?

• Is there a sampling procedure covering
a. location where samples were taken?
b. sample size?
c. frequency of sampling?
d. test and specification including chemical and microbiological and pyrogen tests?

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