Physico-chemical and bacteriological quality of groundwater in a rural area of Western Niger: a case study of Bonkoukou

Journal of Water and Health
Hassane AdamouStefan Liersch

Abstract

The precariousness of the rural population in Africa is often symbolized by the lack of potable and safe drinking water. This study investigates the physico-chemical and bacteriological characteristics of 32 water samples with respect to WHO standards. The water samples were collected from wells, boreholes and small drinking water supply systems (DWS) in and around the township of Bonkoukou (Niger). The Water Quality Index (WQI) tool was used to assess the overall water quality with different physico-chemical parameters. Where the pH of the samples was acceptable, the samples showed higher levels of mineralization and deoxygenation. Overall, the samples were slightly hard, chlorinated and sulfated but much alkaline and contained nitrate and nitrite ions 2-16 times higher than the WHO standards. The use of WQI shows that samples in the DWS are safe for drinking. Samples coming from wells are the most polluted (58.50%) compared to those taken from boreholes (53.00%), while the percentage of samples from boreholes, unfit for drinking, is higher (41.00%) than that of the samples taken from wells (25.00%). Moreover, water in this area was characterized by the presence of total germs indicating bacteriological pollution. Hence, for t...Continue Reading

References

Mar 10, 2009·Applied and Environmental Microbiology·Jens VerheyenHerbert Pfister
Jul 15, 2015·Water Environment Research : a Research Publication of the Water Environment Federation·Asit Kumar Batabyal, Surajit Chakraborty
Nov 27, 2015·Journal of Water and Health·Suma George MulamattathilMoses Mbewe

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