We use cookies to improve your experience on our website. Privacy Policy




Drinking Water Qualityhttps://www.ersar.pt/en/site-consumer/site-drinking-water-qualityDrinking Water QualityPortugal has witnessed a very positive evolution in drinking water quality and in the number of mandatory analysis undertaken for water control purposes.
Quality of servicehttps://www.ersar.pt/en/site-consumer/Pages/quality-of-service.aspxQuality of serviceERSAR 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-Userhttps://www.ersar.pt/en/site-consumer/Pages/tariffs-to-the-end-user.aspxTariffs to the End-UserEnd-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).