Wastewater Extension 2026 must be used together with Wastewater Extension for Administrator 2026 which is also available in the Apps store.

These installers contain the import and export functionality for the Wastewater module. 

Supported file formats are: ISYBAU 1996/2001, ISYBAU 2006, ATV-M 143-2, ATV-DVWK-M 150-1, EN-13508-2

The extension also contains the classification functionality for the Wastewater features.

Limitations:

It is not possible to do import of inspection data with embedded DWG (DWT) given that it is not possible to have a project with two DWG/DWT files.

The extension does not support SQL Server industry models.