A Review of Health Risks and Pathways for Exposure to Wastewater Use in Agriculture


Table 2. Number of studies by contaminant type across several regions.
Contaminant type Sub-Saharan Africa South Asia and China Southeast Asia Middle East and North Africa Latin America and the Caribbean US, Europe, Australia
Note: Some studies focus on more than one contaminant type. In addition, a few studies without a specific contaminant focus are not included in this count.
Microbiological 11 10 10 8 8 32
Inorganic chemicals (heavy metals) 7 28 2 5 2 9
Organic chemicals 1 4 1 0 1 2