1. Adimalla N, Qian H, Nandan MJ (2020) Groundwater chemistry integrating the pollution index of groundwater and evaluation of human health risks: a case study of hard rock terrain of south India. Ecotoxicol Hum Saf. https://doi.org/10.1016/j.ecoenv.2020.111217
2. Akpoborie IA, Aweto KE, Ohwoghere-Asuma O (2015) Urbanization and major ion hydrogeochemistry of the shallow aquifer at the Effurun-Warri metropolis, Nigeria. Environ Pollut 1:4–11
3. Alile OM, Oranusi SA, Airen JO (2012) Subsurface geophysical investigation and physiochemical /microbial analysis of groundwater contaminant in Ota south-western Nigeria. Geoscience 2(6):179–184
4. Amadeo K (2020) Floods’ effects on economy and you. Accessed online https://www.thebalance.com/mississippi-river-flooding-3305663. Accessed 4 May 2020
5. Anon AN (1992) Standard methods for examination water and waste water, 18th edn. APHA/AWWA/WPCF, Washington, D.C, USA