| Dataset | Type | Source |
| Water supply | Surface water, groundwater, and water storage | Water Resources Authority, experiment, and sub-counties |
| Water demand | Irrigation, livestock, institutional, domestic, industrial. | Government-lined ministries at sub-county level |
| GIS, RS and weather | DEM, landsat satellite image (landcover), administration boundaries, urban areas, infra-structure. | Internet |
| Geographic coordinates | Field observations | |
| Rainfall, temperature and evaporation | Internet and literature review |