Oluwatunmise Peter Abolarin

Critical Organic Loading and Microbial Contamination in an Urban West African River: A Water Quality Assessment of River Ona, Nigeria

Praise Adenike Alli, Oluwatunmise Peter Abolarin, Samuel Opeyemi Kayode, Itunu Deborah Odunewu, Oyewumi Tolulope Ajao & Precious Adesope Olaomotito · Journal of Engineering Research and Reports · 2026

The present study evaluated the physicochemical and microbial water quality of River Ona, Ibadan, Nigeria, at three sampling stations representing the upstream (Loc 1), midstream (Loc 2), and downstream (Loc 3) reaches of the river's residential corridor. These stations were sele...

Open access Research Article 10.9734/jerr/2026/v28i71960

Assessment of Heavy Metal Contamination in Groundwater around Waste Dumpsites: A Case Study of Oyo State Waste to Energy Plant - Ajakanga, Oluyole Local Government, Ibadan, Oyo State, Nigeria

Abidat Olayemi Fasasi-Aleshinloye, Praise Adenike Alli, Abiodun Sulaiman Raji, Precious Adesope Olaomotito, Oluwatunmise Peter Abolarin, Victor Ojo Thomas & Itunu Deborah Odunewu · Journal of Engineering Research and Reports · 2026

This study assessed selected heavy metal concentrations and pollution status in leachate and groundwater around the Oyo State Waste-to-Energy Plant, Ajakanga, Oluyole Local Government Area, Ibadan, Oyo State, Nigeria. Eight sampling points were investigated, comprising three shal...

Open access Research Article 10.9734/jerr/2026/v28i61939