Effectiveness of Point-of-use Water Treatment Technologies to Prevent Stunting Among Children in South Africa

Inclusion Criteria: * Mother is in third trimester of pregnancy or there is at least one child under 3 years of age in the household * The child's caregiver is at least 16 years of age Exclusion Criteria: * The household has chlorinated water piped into the home or routinely delivered (via truck or diversion) to a permanent, engineered system that stores the water within the property * The household currently uses a ceramic filter or other commercial water treatment technology (including a permanent, engineered system that treats the water through filtration and/or chlorination) * The household has plans to move outside the community in the next 6 months * The youngest child under 3 years of age is seriously ill (has a severe disease requiring prolonged hospitalization or a severe or chronic condition diagnosed by medical doctor, e.g. neonatal disease, renal disease, chronic heart failure, liver disease, cystic fibrosis, congenital conditions)