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Assessment Of The Quality Of Water Before And After Storage In The Nyankpala Community Of The Tolon-Kumbungu District Ghana

Journal: International Journal of Scientific & Technology Research (Vol.2, No. 2)

Publication Date:

Authors : ; ; ; ; ; ; ; ;

Page : 221-227

Keywords : Keywords - stored water; water quality; Nyankpala; coliform bacteria; earthen pot; metallic containers; polyethylene barrel containers.;

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Abstract

ABSTRACT-The rational for the study was to assess the quality of stored water in different storage facilities in the Nyankpala community in northern Ghana. The quality of treated water supplied by the Ghana Water Company Limited was also assessed before storage. Thirty households were selected based on the type of storage facility used in storing treated water. Storage facilities considered were earthen pots EP metallic containers MC and polyethylene barrel containers PC. During the study period a total of 120 stored water samples and four 4 tap water samples were collected and analysed over a period of four months. Generally the quality of treated water was well within the World Health Organizations WHO recommended guidelines for potability. Generally the physico-chemical quality of stored water was good since parameters measured well with WHO recommended limits. However colour 2.5-30.0 Hz 15.41.5 turbidity 2.0-15.0 NTU 7.61.1 and total iron levels 0.003-0.93 mgL 0.340.1 recorded in stored water in metallic containers MC were higher than WHO guidelines for potability. Though tap water recorded no coliform bacteria during the study period stored water analysed from all storage facilities recorded coliform bacteria. The presence of coliform bacteria in stored water probably resulted from unhygienic water-handling practices. Water stored in earthen pots recorded the lowest level of colifom bacteria total coliform 0-315 CFU100 mL 19.2 CFU100 ml Faecal coliform 0-78 CFU100 mL 19.2 CFU100 mL. Water stored in PC recorded the highest levels of coliform bacteria TC 0-714 CFU100 mL 231 CFU100 mL FC 0-250 CFU100 mL 65.2 CFU100 mL during the study period. EP storage facilities recorded lower coliform levels because they have narrow nozzles which make access to water more difficult compared to that of PC and MC which has wide openings at the top.

Last modified: 2013-04-13 21:56:02