City-based rainwater fee calculator
Rainwater fee calculator for your city
Berlin is the first supported city. More cities should only go live after their fee rate, rules, official sources, and geodata have been verified.
Choose a supported city
Verified city
Only cities with verified sources and data are indexable.
Notice comparison
Compare the charged area from a notice with the estimate.
Check reductions
Model green roofs, cisterns, infiltration, and disconnected roofs.