The levels of nitrates and nitrites in drinking water from two local government areas in Ilorin, Kwara State, were measured using a HACH DR/EL 5 Spectrophotometer over the course of four months.
The borehole has an average nitrate (NO3-N) content of 0.185 mg/L and a nitrites (NO2-N) value of 0.044 mg/L. The well's mean nitrate (NO3-N) concentration is 0.915 mg/L, while nitrites are 0.087 mg/L. The measured mean nitrate and nitrite concentrations in groundwater, as well as the highest single-point readings, are far below the WHO MCLs of 10.0 mg/L nitrate as NO3-N and 3.0 mg/L nitrite as NO2-N. The values are also below the maximum allowable amounts of 50 mg/L nitrate as NO3-N and 0.2 mg/L nitrite as NO2-N set by the NSDWQ (Nigerian Standard for Drinking Water Quality).Author (S) Details
Oluwadurotimi O. Akiwumi
Department of Chemistry, Faculty of Science, University of Ilorin, Ilorin 23431, Kwara State, Nigeria.
Omodele A. Eletta
Department of Chemistry, Faculty of Science, University of Ilorin, Ilorin 23431, Kwara State, Nigeria.
Oluyemi Odebunmi
Department of Chemistry, Faculty of Science, University of Ilorin, Ilorin 23431, Kwara State, Nigeria.
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