Apply for permi... - Apply for permission for exemption from the wastewater treatment requirements.

Apply for permission for exemption from the wastewater treatment requirements electronically from the City of Helsinki’s Environmental Services via Lupapiste. Permission for exemption can be granted for a maximum of five years at a time.

- Appendix 1: A layout plan (e.g. at a 1:500 scale), showing the locations of buildings and wastewater treatment systems as well as their distances to ditches ...