Green-Roofed Waternet Building Recycles Water for the Entire City of Amsterdam

Built on stilts on the banks of the Amstel River outside of <a title="Double-Tower Waternet Building Recycles The Whole of Amsterdam's Water" href="http://inhabitat.com/amsterdams-proef-restaurant-features-recycled-furniture-and-serves-only-local-organic-food/" target="_blank">Amsterdam</a>, the <a title="Double-Tower Waternet Building Recycles The Whole of Amsterdam's Water" href="https://www.waternet.nl/" target="_blank">Waternet</a> Head Office is a dual-tiered building that provides for 100% of the Dutch capital's water needs. Designed by <a title="Double-Tower Waternet Building Recycles The Whole of Amsterdam's Water" href="http://www.ahh.nl/" target="_blank">Architectuurstudio Herman Hertzberger</a>, the building holds open plan offices, a restaurant, a congress hall and a café. Waternet is the only institution in the Netherlands concerned with the entire natural water cycle (from rainwater to surface water, and groundwater), and it provides the entire city of Amsterdam with fresh, purified H2O.

<a title="Double-Tower Waternet Building Recycles The Whole of Amsterdam's Water" href="https://www.waternet.nl/" target="_blank">Waternet</a>'s defining architectural features include two bridges on the 8th and 9th stories that link the towers.

A luscious <a href="http://inhabitat.com/green-roof/">green roof</a> tops some of the project's lower rooms.

The green roof provides insulation, a verdant entryway for people, and a great environment for insects and wild flowers.

Built on <a title="Double-Tower Waternet Building Recycles The Whole of Amsterdam's Water" href="http://en.wikipedia.org/wiki/Stilts" target="_blank">stilts</a>, the Waternet Head Office is surrounding by <a title="Double-Tower Waternet Building Recycles The Whole of Amsterdam's Water" href="http://inhabitat.com/former-nasa-engineer-develops-mwater-app-to-test-water-quality/" target="_blank">water</a>, which is recycled for the building's own use and for the whole of <a title="Double-Tower Waternet Building Recycles The Whole of Amsterdam's Water" href="http://inhabitat.com/incredible-amsterdam-office-created-entirely-from-cardboard/" target="_blank">Amsterdam</a>

In addition to purifying water, the company ensures that water levels remain stable in rivers and channels and it takes measures to prevent floods.

 Inside, the flexible open workplaces provide social spaces to debate the best possible future for Amsterdam's people and water resources.