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• W2155109596 abstract "Target 7C of the Millennium Development Goals is aimed at halving the proportion of peoplewithout sustainable access to safe drinking water and basic sanitation by 2015 (UNDP, 2002).Therefore, implementation of water and sanitation projects in line with this target need to givedue attention to measured water quality and assess if water is of acceptable standards. In thisregard, an assessment of groundwater quality was carried out in three wards of Murehwa Districtin Zimbabwe in February and March 2011. Samples from 60 randomly selected ground watersources; 30 protected wells and 30 from unprotected wells were analysed for thermotolerantcoliform, pH and turbidity parameters using a portable Delagua water testing kit. This was tofind out whether there were significant differences in water quality levels in protected andunprotected wells during the wet season. A point interpolation (isotropic kriging) was used todetermine the spatial variations of coliform levels in groundwater sources. Results indicatedsignificant differences in coliform levels between protected and unprotected wells (p = 0.00).Coliform levels in almost 67% of the protected wells and all (100%) unprotected wells failed tomeet the Standard Association of Zimbabwe guidelines of 0 CFU/100 ml (SAZ, 1997). Resultsalso showed a significant (p = 0.016) difference in pH between the two water sources. There wasno significant (p = 0.376) difference in the turbidity of the two water sources. Well depth wasfound to be negatively correlated with contamination levels in both protected (p = 0.028, r = -0.5517)) and unprotected wells (p = 0.001, r = -0.589). Distance from pit latrine was negativelycorrelated with coliform level in unprotected wells, (r = -0.46, p = 0.0352). Slope angle was notsignificantly (p>0.05) correlated with coliform level in both water sources. Findings also showedthat the concentration of coliform in groundwater was spatially autocorrelated up to 228.8 m.Results showed that both protected and unprotected wells were vulnerable to bacterialcontamination" @default.
• W2155109596 created "2016-06-24" @default.
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• W2155109596 date "2014-10-07" @default.
• W2155109596 modified "2023-09-24" @default.
• W2155109596 title "VARIATIONS IN GROUNDWATER QUALITY IN PROTECTED AND UNPROTECTED WATER SOURCES OF MUREHWA DISTRICT" @default.
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