Oasen is located in a unique region: the Green Heart.
We supply drinking water in the eastern part of South Holland and the southwestern part of Utrecht—an area known for its expansive green fields. More than 800,000 residents rely on our drinking water.

Our customers must always be able to rely on the highest quality drinking water.
Oasen ensures clean drinking water at any time of day—not just for today. Even 50 years from now, residents of the Green Heart should be able to trust their tap water without hesitation.

Oasen’s mission?
To deliver flawless drinking water straight from the tap, always.
Our mission reflects the core of what we do: producing impeccable water that flows from the tap exactly as expected—free of surprises.