The rigorous management of the INDAQUA Group within the scope of providing management and optimisation services in the systems for the capture, treatment, supply and distribution of drinking water and the collection, drainage and treatment of wastewater, is recognised through a set of certifications awarded by competent external entities.


Quality Management System (ISO 9001:2015)


Occupational Health and Safety Management System (ISO 45001:2019)


Environmental Management System (ISO 14001:2015)

The most distinguished company

INDAQUA also has a set of distinctions awarded by the Portuguese Water and Waste Services Regulatory Authority (ERSAR), and was the company that won the most quality seals in 2019. 

 The 2020 and 2021 ERSAR Quality Seals honoured entities that complied with a set of strict criteria, from the quality of water for consumption to its efficient use, public supply and urban wastewater treatment, areas in which INDAQUA managed to achieve excellence and be the only entity receiving a seal of quality in every award category. 

Chat with us
Cookies settings

INDAQUA SA may use cookies to store your login data, collect statistics to optimize the functionality of the website and to carry out marketing actions based on your interests

These allow you to browse the website and are automatically enabled.
These cookies allow us to analyse the use of the website so that we can measure and improve its performance.
They allow you to be in contact with your social network, share content, send and disseminate comments.

Necessary cookies They allow you to customize the commercial offers presented to you, according to your interests. They can be own or third-party cookies. We warn you that even if you do not accept these cookies, you will receive commercial offers that don't match your preferences.

Funcional Cookies They offer a more personalised and complete experience, allow you to save preferences, show you content relevant to your taste and send you the alerts you have requested.

Advertising Cookies They allow you to be in contact with your social network, share content, send and disseminate comments.

Submeter Preferências