Under the Water Services Licensing Act 1995, the Authority issues water service licences to entities supplying potable water, non-potable water, sewerage and drainage services in Western Australia that are not exempt from the requirement to hold a licence.

The Authority is responsible for the approval of Customer Service Charters and the review and development of customer protection provisions contained within the licence.

The performance of licensees is monitored through a compliance and performance reporting regime and the completion of regular operational audits and asset management reviews. The Water Services Licensing Act 1995 provides a range of mechanisms by which the Authority is able to enforce licensee compliance.

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