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Decentralised Wastewater Treatment System

A small-scale system used to collect, treat, discharge, and/or reclaim wastewater from a small community or service area. The treatment unit of DEWATS includes generally sedimentation and floatation (e.g. in septic tanks or biogas settlers); anaerobic treatment (e.g. in upflow baffled reactors or anaerobic filters); aerobic treatment (in sub-surface flow constructed wetlands or unplanted sand- or gravel filters); and a final aerobic treatment in maturation ponds.

Abbreviation
DEWATS
Legacy NID
832
Legacy VID
29759