The glossary to understand and take action

Water Management Administration (AGE)

The AGE is involved in water management and protection. Certain works, abstractions, discharges or business developments may be subject to water-related authorisation.

Understand the scope

Its role for your business

The need for a procedure depends on the project and its location. A building permit or another authorisation should not be regarded as automatically covering water-related aspects.

In your file

When to contact them and what to prepare

Prepare plans, technical descriptions and information on the relevant flows. Also review the requirements and validity period of decisions obtained. Any change to the project must be assessed against the authorised conditions. The application must follow the procedure specified by the competent authority.

A scenario to help you understand

Educational example

A company is developing a site and planning discharges: it has the water-related aspects checked in parallel with the other required authorisations.

Fictitious situation, presented to illustrate the concept.

Prepare for what comes next

Points to check

  • Identifier les impacts sur l’eau
  • Préparer les pièces techniques
  • Suivre les prescriptions de l’autorisation

Connecting concepts

Terms to know as well

Continue with the concepts, contacts and procedures related to this topic.

Put it into practice

Explore further with our guides

Sources and verification

References consulted on 20 September 2026. Official procedures specify the applicable conditions and exceptions.

This guide explains a general process. The applicable rules depend on your situation; it does not constitute personalised advice. Report a correction.

A definition gives you a reference point. To examine your situation, clarify your question with a professional.