Olatunji Sunday Olaniyan

Integrated Hydrochemical and Geospatial Modelling of Nitrate Contamination, Groundwater Suitability and Public-Health Risk in Hand-Drilled Wells of Iree, Southwestern Nigeria

Akanni Ayotunde Oluyemisi, Adedayo Ayodele Adegbola & Olatunji Sunday Olaniyan · Asian Journal of Environment & Ecology · 2026

Groundwater from hand-dug wells is the primary source of domestic water for residents of Iree Township in Osun State, Nigeria. This study integrates hydrochemical analysis and geospatial modelling to evaluate groundwater suitability for domestic use and quantify public-health ris...