H2O Sanitation

Building a better Life for the People


Decentralized Wastewater Treatment Systems (DEWATS)


Decentralized Wastewater Treatment Systems (DEWATS) are off-grid wastewater treatment solutions based on natural principles. Combining 

Combining passive, anaerobic technology with constructed wetlands offers the best of two worlds for optimal and sustainable wastewater treatment with a high scalability.


  • Full treatment quality
  • No electricity required
  • Sustainable
  • Affordable