Bacteriological quality of household drinking water in North Gondar Zone, Ethiopia; a community-based cross-sectional study (original) (raw)

High enteric bacterial contamination of drinking water in Jigjiga city, Eastern Ethiopia

Background: The high prevalence of diarrheal disease among children and infants can be traced due to the use of unsafe water and unhygienic practices. The overall concept adopted for microbiological quality is that no water intended for human consumption shall contain Escherichia coli per 100 ml sample. Objective: The aim of this study was to assess household water handling and hygienic practices and to determine bacteriological quality of drinking water from different sources in Jigjiga city. Methods: A cross-sectional study was conducted to assess bacteriological quality of drinking water in Jigjiga city from May-August, 2013. Both simple random and convenient sampling techniques were applied to select 238 households to assess water handling and hygienic practices, and 125 water samples to assess bacteriological quality of drinking water respectively. The water samples were collected from household water container, pipeline, water reservoir, 'Beyollie', and main sources. Easily isolated bacteria called coliforms were used as indicator organisms of human and other animals' fecal contamination status of drinking water. Data were summarized using descriptive and analytical statistics. Chi-square (χ2) and logistic regression tests were used and p<0.05 was considered as cut off value for statistical significance. Results: Overall, 71.2%(n=89) of water samples were contaminated by one or more bacterial species of E.coli, Shigella Sp, Salmonella Sp, and Vibrio sp. Particularly, 65(52%), 10(8%), 9(7.2%), and 8(6.4%) were contaminated by E.coli, Shigella sp, Salmonella sp, and Vibrio sp, respectively. On the other hand, 20% of the households and pipeline water samples had a fecal coliform count of 150 and above. Placement of water drinking utensils had a statistically significant association with illiterate education (p=0.01, AOR=5.47, 95% CI: (1.31, 22.78)) and male household head (p=0.02, AOR=2.11, 95% CI: (1.10, 4.05)). Conclusions: The majorities of drinking water sources were highly contaminated by Enterobacteriaceae. Regular bacteriological water quality control mechanisms need to be in place to ensure bacteriological safety of drinking water. [Ethiop. J. Health Dev. 2016;30(3):118-128]

Drivers of microbiological quality of household drinking water - a case study in rural Ethiopia

Journal of water and health, 2018

This study aims at assessing the determinants of microbiological contamination of household drinking water under multiple-use water systems in rural areas of Ethiopia. For this analysis, a random sample of 454 households was surveyed between February and March 2014, and water samples from community sources and household storage containers were collected and tested for fecal contamination. The number of Escherichia coli (E. coli) colony-forming units per 100 mL water was used as an indicator of fecal contamination. The microbiological tests demonstrated that 58% of household stored water samples and 38% of protected community water sources were contaminated with E. coli. Moreover, most improved water sources often considered to provide safe water showed the presence of E. coli. The result shows that households' stored water collected from unprotected wells/springs had higher levels of E. coli than stored water from alternative sources. Distance to water sources and water collecti...

Bacteriological quality of drinking water from source and point of use and associated factors among households in Eastern Ethiopia

PLOS ONE, 2021

Background Biological deterioration of drinking water is the major cause of waterborne disease globally. However, there is a paucity of information on identifying the point where deterioration of the bacteriological quality of drinking water occurs (source or point of use) and associated factors among households in developing countries, especially in Ethiopia. Method A community based cross-sectional study design was conducted among 425 households in Eastern Ethiopia. Households with at least one child under-five years of age were included in the study. A total of 448 Water samples (425 from households and 23 from water sources) were collected and analyzed by the membrane filtration method to identify Thermotolerant coliform. Binary logistic regression was performed to assess the association between each independent and dependent variable. Adjusted Odd Ratios along with 95% Confidence intervals were estimated to identify factors associated with the outcome variable. Result This study revealed that 21.7%; 95% CI (4.5%, 39.1%) of water sources and 83.3%; 95% CI (79.8%, 87.1%) of households' drinking water were contaminated by thermotolerant coliform. Drinking water samples from households with poor wealth index [AOR = 9.63; 95%CI (2.92, 31.69)], households with unimproved sanitation facility [AOR = 2.81; 95%CI (1.31, 6.01)], households which shares their house with animal [AOR = 3.73; 95%CI (1.66, 8.37)], households that didn't practice household water treatment [AOR = 3.42; 95%CI (1.60, 7.31)] and not washing hands before water collection [AOR = 7.04; 95%CI (2.22, 22.30)] were significantly associated with deterioration of bacteriological quality of household drinking water.

Bacteriological and Physicochemical Quality of Drinking Water and Hygiene-Sanitation Practices of the Consumers in Bahir Dar City, Ethiopia

Ethiopian Journal of Health Sciences, 2011

Background Lack of safe drinking water, basic sanitation, and hygienic practices are associated with high morbidity and mortality from excreta related diseases. The aims of this study were to determine the bacteriological and physico-chemical quality of drinking water and investigate the hygiene and sanitation practices of the consumers in Bahir Dar City, Ethiopia. Methods A cross sectional prospective study was conducted in Bahir Dar City from October–December, 2009. Water samples were collected from 35 private taps and 35 household water containers for bacteriological analysis. The turbidity, pH, temperature and turbidity were measured immediately after collection. Finally, the hygiene-sanitation practices of the consumers were surveyed using interview. Results Twenty seven (77.1%) of the household water samples had high total coliforms counts. Twenty (57.1%) household water samples and 9 (25.7%) of the tap water samples had no residual free chlorine. Sixteen (45.7%) household wat...

Bacteriological and Physicochemical Quality of Drinking Water in Wegeda Town, Northwest Ethiopia

Journal of Environmental and Public Health

Waterborne diseases continue to challenge communities in low-income countries like Ethiopia. Clinical information in Wegeda town showed that the prevalence of waterborne diseases was 58%. This study aimed to evaluate bacteriological and physicochemical drinking water quality in Wegeda town. This study will add valuable scientific data for future intervention. Water samples from protected and unprotected springs, hand-dug well, taps, and households’ containers were collected from November 2018 to June 2019 for bacteriological and physicochemical analyses. Besides, information about the potential risk factors was collected using a structured questionnaire. A total of 120 water samples were collected and analyzed for total and fecal coliform counts using the multiple tube fermentation method (MPN). The presence of Escherichia coli was also checked from fecal coliform positive samples collected from households’ containers. Selected physicochemical parameters were also determined using t...

Drinking water quality and associated factors in Bahir Dar City and the surrounding rural areas, Northwest Ethiopia: a community-based cross-sectional study

Journal of Water, Sanitation and Hygiene for Development

In low-income countries like Ethiopia, waterborne illnesses have posed serious public health problems. This study aimed to evaluate drinking water quality (DWQ) and associated factors in Bahir Dar City and the surrounding rural areas in northwest Ethiopia. A cross-sectional study was conducted from January to June 2022 to determine coliform counts and basic physicochemical parameters from the drinking water samples (DWS) collected from urban, peri-urban, and rural sites. A total of 180 DWS were collected from water collection points and households' containers. Potentially pathogenic bacteria were also isolated from fecal coliform (FC)-positive samples and their antibiotic susceptibility profiles were determined. Moreover, the risk factors associated with water quality were assessed. The water quality test results were evaluated against the WHO guidelines for DWQ. Based on the results of this study, only 16.7 and 73.88% of samples met the standards for total coliform and FC, resp...

Quality of household drinking water and its associated risk factors in flood-prone settings of Northwest Ethiopia: a cross-sectional community-based study

Research Square (Research Square), 2022

Background In many nations, the deterioration of drinking water quality is a major problem that may be caused by a variety of interrelated biological, physical, and chemical causes. Human feces, animal waste, and e uent farming activities are the main pollutants of water supplies. Even if the source is clean, the process of collecting, transporting, storing, and drawing water in the home can all lead to faecal contamination. In addition, without improved water storage and sanitation, a better water supply doesn't always result in full health bene ts. Because of this, it's important to have regular quality control procedures. This study is aimed to assess the level of physioco-chemical and bacteriological quality of hosehold drinking water and its contributing factors in ood-prone settlements of South Gondar Zone, Ethiopia. Methods In villages in the South Gondar Zone that are prone to ooding, a community-based cross-sectional study was conducted from January to March 2021. Using standardized water sampling methods, samples of household water were gathered from each residence. Data on socioeconomic conditions and behavioral patterns were gathered through in-person interviews with structured questionnaires. Logistic regression models were used for both univariate and multivariate studies. Results The survey included a total of 675 households. The South Gondar Zone's settlements that are prone to ooding had a prevalence of 62.2 percent (n = 417) with [95% CI (53-60)] positive fecal coliform in household water samples. Family size [AOR = 2.205, 95% CI (1.375-3.536), latrine presence [AOR = 3.449, 95% CI (1.349-8.823)], and utilizing a separate container to draw water from its storage [AOR = 0.454, 95% CI (0.249-0.827)] are variables identi ed as predictors for fecal coliform contamination of household water. Conclusion In this study, there was a high proportion of fecal contamination in drinking water. The presence of fecal coliforms in household drinking water was found to be signi cantly related to family size, the availability of a toilet, and the usage of a separate can to draw water from its storage.

Bacteriological quality and associated risk factors of drinking water in Eastern zone, Tigrai, Ethiopia, 2019

Tropical Diseases, Travel Medicine and Vaccines

Background Access to safe drinking water is one of the basic human rights and is critical to health. However, much of the world’s population lacks access to adequate and safe water. Approximately 884,000, 000 people in the world still do not get their drinking water from safe sources; Sub-Saharan Africa accounts for over one third of this number. It is estimated that 80% of all illnesses in the world are related to use of unsafe and contaminated water. Methods A cross-sectional study was conducted from August 1st 2017 to July 30th 2018 in three randomly selected woreda (districts) of Eastern Zone Tigrai. Water samples were examined for total coliforms and thermotelorant coliforms using the most probable number method. Standard biochemical testing was performed on samples that tested positive to identify the genus of bacteria. The contaminant risk of water sources were assessed using the sanitary inspection checklist of the World Health Organization. The results were interpreted usin...

Bacteriological and physico-chemical quality of drinking water sources in a rural community of Ethiopia

African Health Sciences, 2014

Background: Accesses to safe water is a universal need however, many of the world's population lack access to adequate and safe water. Consumption of water contaminated causes health risk to the public and the situation is serous in rural areas. Objectives: To assess the bacteriological and physico-chemical quality of drinking water sources in a rural community of Ethiopia. Methods: Water samples were collected from tap, open springs, open dug wells and protected springs for bacteriological analysis of total coliforms and thermotolerant coliforms. The turbidity, pH and temperature were measured immediately after collection. Results: Most drinking water sources were found to have coliform counts above the recommended national and international guidelines and had high sanitary risk scores. There was a statistically significant difference among water sources with respect to TC and TTC (p < 0.05) and there was a statistically significant positive correlation between coliform counts and sanitary risk scores (p < 0.01). Most water sources didn't satisfy the turbidity values recommended by WHO. Conclusion: The water sources were heavily contaminated which suggested poor protection and sanitation practice in the water sources. Source protection strategies as well as monitoring are recommend for this community.

Quality assessment of bacterial load present in drinking water in Woreta town, Ethiopia

African Journal of Microbiology Research

Access to adequate and safe water is a universal human need. Lack of safe and adequate water supply causes health risk and the situation is serious in developing countries The aim of this study was to determine the bacterial load, physicochemical quality of drinking water in wells, reservoir, taps and household storage containers water samples and to investigate the hygiene and sanitation practices of the consumers in Woreta Town. A cross sectional community based study was conducted from January to March 2016 in Woreta town. A total of 189 water samples were collected from wells, reservoir, private taps and household storage containers in three rounds for bacteriological, physicochemical quality of drinking water and the hygiene-sanitation practices of the consumers were assessed using interview. Bacterial load analysis of water samples revealed that well and reservoir water samples were 100%; 30 (100%) tap water samples and 30 (100%) household storage container water samples were contaminated with total coliforms and did not meet the recommended value of World Health Organization (0CFU/100 ml). Regarding thermotolerant coliforms, one well water sample, 21 (70%) tap water samples and 30 (100%) household water samples were contaminated. The bacteriological load was greater at the household storage container water samples. There was statistically significant difference in total coliform and thermotolerants coliforms among the water sources at p < 0.01. Proper management of water sources, appropriate disinfection of raw water sources with chlorine and promoting good hygiene and sanitation practices are recommended to deliver safe drinking water to the consumers of the study area.