How can I support the RAIN Foundation?
Can the RAIN Foundation support me?
What is a ferro-cement tank?
What is a sand dam?
What is surface-runoff?
What are the main water quality indicators?
How can I improve the water quality of my RWH tank?
How can I clean my tank?
Do I need to treat and/or filter rainwater before use?
How much water can I store?
Where does RAIN work? What is a type 3 area?
What are the costs of a rainwater harvesting system?