Obtain a permit for a rainwater harvesting system in Stormarn
If you apply for Obtain a permit for a rainwater harvesting system in Stormarn (Schleswig-Holstein), expect about approx. 2 weeks. Untere Wasserbehörde Stormarn (zuständig für Stormarn) is responsible.
Quick answer
- 1
Documents you need
Identification card or passport · Form / Application
- 2
Costs
Kostenlos bis 150 € je nach Leistung
Processing time
approx. 2 weeks in Stormarn
The Untere Wasserbehörde Stormarn (zuständig für Stormarn) in Stormarn currently needs about approx. 2 weeks. Booking an appointment online saves waiting time at the counter.
Official: max. approx. 4 weeks
How to proceed
- 1
Report the facility to the Lower Water Authority
In most states, a notification is sufficient; no permit is required.
- 2
Check technical requirements
Separation of drinking water, backflow prevention, and pipe labeling.
- 3
Operation of the system
Upon receipt of the report and, if necessary, confirmation from the authorities.
Required documents
- Identification card or passportMandatory
- Form / ApplicationMandatory
The essentials before applying
Who is eligible?
Homeowners who want to use rainwater for flushing toilets, watering their gardens, or running their washing machines.
Income limit
Success rate
approx. 90.0 % (estimate)
Most common mistakes
- •System commissioned without a display
- •No backflow prevention
Common reasons for rejection
- •Lack of separation between the drinking water and stormwater systems
Alternatives
- Check related services in the application assistant
- Use social counselling before applying
If rejected
File a written objection within 30 days – with reasons why the decision is wrong and any missing evidence.
Everything about Obtain a permit for a rainwater harvesting system
Questions & Answers
How much does it cost to get a rainwater harvesting system approved?▼
Free up to €150, depending on the service.
How long does it take to get a rainwater harvesting system approved?▼
Typically about 14 business days—depending on the agency and its workload.
Freshness & source
- Maintenance
- Continuously reviewed & updated
- Data quality
- 100 %