A sanitary survey includes a review of system integrity, supported by water quality data, particularly microbiology data.
A sanitary survey is defined in the Australian Drinking Water Guidelines as a review of the water sources, facilities, equipment, operation and maintenance of a public water system to evaluate its adequacy for producing and distributing safe drinking water.
This page forms part of the NSW Health response protocol for water utilities and public health units:
Managing pathogen Risks in drinking water
The sanitary survey should determine whether system barriers are operating normally, particularly at critical control points (CCPs), and investigate and document the following:
Note: Before flushing mains, consider the risk that flushing may distribute contamination throughout the system if the source of contamination is unknown.
Contact your local Public Health Unit on 1300 066 055 and refer to: