Our success stories.
Microsoft and Madrid turn stormwater into a reliable source to restore urban streams
Client: City of Madrid, Junta de Compensación Solana de Valdebebas
Partner: Microsoft
Year: 2025 (in development)
Problems solved: Drought, drying waterways, lost stormwater, flooding risk, corporate water stewardship / ESG reporting
Rainwater reused for: Replenishing the Valdebebas stream + verified ESG/water-positive reporting
Impact: 200,000 m³/year captured and replenished; 1,091,140 m² catchment
Madrid fills its first urban pond entirely with treated rainwater
Client: Espacio Caleido
Partners: City of Madrid, University Polytechnic of Madrid, Delft University of Technology
Year: 2020–2021
Problems solved: Potable water overconsumption for an ornamental pond, sustainable urban drainage
Rainwater reused for: Filling and maintaining the architectural urban pond (replacing drinking water)
Impact: 460 m³/year reused; 14,490 m² catchment; 500 m² pond supplied