Saturated permeable soil (sand or gravel) capped by an impermeable layer.
References
Glossary Term Name
Legacy NID
6365
Legacy VID
20874
Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.