Permit or notification for a rainwater harvesting system (cistern) with the local water authority.
Damit wir Obtain a permit for a rainwater harvesting system mit dem zuständigen Untere Wasserbehörde in Ihrer Stadt anzeigen können.
Oder Großstadt wählen:
Sie werden zur geführten Suche weitergeleitet – mit Kontaktdaten, Termin und nächsten Schritten für Obtain a permit for a rainwater harvesting system.
Quick answer
Documents you need
Identification card or passport · Form / Application
Responsible authority
The authority of your main residence
How to do it
In person or by post at the office
Costs
Kostenlos bis 150 € je nach Leistung
Report the facility to the Lower Water Authority
In most states, a notification is sufficient; no permit is required.
Check technical requirements
Separation of drinking water, backflow prevention, and pipe labeling.
Operation of the system
Upon receipt of the report and, if necessary, confirmation from the authorities.
The authority of your main place of residence is responsible.Find authority →
Who is eligible?
Homeowners who want to use rainwater for flushing toilets, watering their gardens, or running their washing machines.
Income limit
Processing time
Nationwide: approx. approx. 2 weeks
Success rate
approx. 90.0 % (estimate)
File a written objection within 30 days – with reasons why the decision is wrong and any missing evidence.
Free up to €150, depending on the service.
Typically about 14 business days—depending on the agency and its workload.