India Water Portal:
Decentralized wastewater treatment units - Pictoral guide
India Water Portal:
One of the DEWATS units near the Administrative block
India Water Portal:
Cannas in the horizontal planted gravel filter
India Water Portal:
Anaerobic baffle chanber (left most), Planted gravel filter (middle) and the polishing pond (foreground)
India Water Portal:
First settling chamber - Raw sewage
India Water Portal:
Second baffle chamber - Sewage after the solids have settled
India Water Portal:
Clarified sewage in the last of the baffle chambers