Inspirational pilot #14

IPL14 – Rainwater collection and harvesting for toilet flushing and irrigation (Berlin, Germany

Collection of rain water from roofs into underground storage tanks and reuse for toilet flushing in larger public buildings

TRL: 9

TRL: 6

SCALE: B

SYSTEM CONCEPT

  • Collection of rainwater from roofs in large underground tanks

  • Local reuse for toilet flushing with defined service water quality

KEY BENEFITS

Harvesting of alternative water resources to decrease water demand in cities

STRATEGIC INTEGRATION

Demonstration of rainwater harvesting at public buildings

SOCIAL ENGAGEMENT

Involvement of public actors, planners and authorities for city-wide scaling and implementation

REGULATORY FRAMEWORK

Ensuring compliance with standards for service water quality

CONTACT POINT