The Water Services Tariff Regulation was published today in the Official Gazette. This new regulation, numbered 1160/2026, was approved by the Water and Waste Services Regulatory Authority, commonly referred to as ERSAR.
The regulation defines the framework applicable to the tariffs for public water supply and urban wastewater sanitation services. It establishes common rules for the definition of water supply and sanitation tariffs throughout the country.
ERSAR is the entity responsible for the regulation of water and waste services in Portugal, and it is responsible for defining the standards that guide the activity of these public utilities. The publication of the new regulation represents an update of the previously applicable rules.
The document aims to standardize the tariff definition criteria used by the various water service operators in the national territory, ensuring greater transparency and equity in the price structure applied to consumers.
