Assessment of drinking water quality using water quality index (WQI) for Lake Gwakra, Gerie local government, Adamawa state, Nigeria

Yohanna Peter

Department of Geography Adamawa State University, Mubi. Adamawa State, Nigeria

Abstract

The Lake Gwakra water quality for human consumption was assessed using the Weighted Arithmetic Water Quality Index Method in the dry season. Water samples from the lake were taken and the physicochemical parameters were tested according to standards. The pH, electrical conductivity, total hardness, total alkalinity, total dissolved solids, , sodium, magnesium, calcium, chlorides, sulfates, nitrates, dissolved oxygen, and biochemical oxygen demand are among the parameters used to determine the water’s level of quality. The drinking water quality standard by World Health Organization (WHO) was used for this research. The findings showed that all of the parameter values were within the ranges permitted by the standard agencies used. However, the total Water Quality Index (210.25) showed that the water quality status of the lake is absolutely unfit for drinking.

Keywords

water quality index; physicochemical parameter; lake, water.

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