Sanitation in Challenging Environments: Flood Prone and High Groundwater

Wetlands Work has developed treatment for households in extreme environments, such as areas with permanent or seasonally high groundwater tables, or in flood-prone regions. Our general design consists of three stages, as shown below.  The design takes only 6 m2 of space, relies on gravity flow and an appropriate retention period for anaerobic and aerobic microbial activity. Fifty systems are currently being piloted in Cambodia.

2015 Flood prone trtmt w plants

WW! design for sanitation in flood prone and high water table areas

Flood 3Vealsbov Flood Prone Community, WW! project for sanitation for 40 households

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