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Environmental Impact on the Quality of Water from Hand-Dug Wells in Yola Environs

Author(s): Timothy Musa CHIROMA | Benjamin Iyenagbe UGHEOKE | David Onoja PATRICK

Journal: Leonardo Journal of Sciences
ISSN 1583-0233

Volume: 6;
Issue: 10;
Start page: 67;
Date: 2007;
Original page

Keywords: Environment | Hand-dug wells | Water quality | Contamination | Health

The impact of environmental conditions on the quality of water from seven hand-dug wells in Vinikilang, Shinko, Demsawo and Girei was studied. Monthly physical and chemical analyses were carried out on the well water samples. The results revealed that the environment has direct impact on the quality of water and also the type of contamination of the well water samples. Water samples from the wells have higher levels of heavy metals: Fe, Zn, Cu and Pb, above the permissible limits of (0.1 mg/l, 5 mg/l, 0.5 mg/l and 0.05 mg/l for Fe, Zn, Cu and Pb respectively) WHO specifications, except well 1 whose Zn level was lower than the permissible limit. Wells close to abattoir, pit latrine, domestic refuse dumps, stagnant water and drainage showed higher amounts of coliform bacteria.
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