Consumer

Drinking Water Quality	https://www.ersar.pt/en/site-consumer/site-drinking-water-quality	Drinking Water Quality	Portugal has witnessed a very positive evolution in drinking water quality and in the number of mandatory analysis undertaken for water control purposes.
Quality of service	https://www.ersar.pt/en/site-consumer/Pages/quality-of-service.aspx	Quality of service	ERSAR regulates the quality of water and waste services provided to customers, evaluating the operators' performance and comparing them with each other, through the application of a benchmarking system to foster effectiveness and efficiency.
Tariffs to the End-User	https://www.ersar.pt/en/site-consumer/Pages/tariffs-to-the-end-user.aspx	Tariffs to the End-User	End-users expenses with water and waste services are defined for each municipality, according to three different levels of use (60, 120 and 180 cubic metres).