Quality of Packaged Drinking Water Marketed in Douala - Cameroon

Mananga, Marlyne-Josephine

doi:10.11648/j.wros.20140306.12

Cited by 4 publications

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References 4 publications

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“…In some houses with children of less than five years of age, it was observed that they used sachet water which is not a good practice as it was reported by Blé et al [14] in Ivory Coast; Managa et al [15] in Douala, Cameroon and Olewo et al [16] in Nigeria that sachet water is very polluted and unsafe for drinking. It was equally observed that those drinking rain and well water were more represented in Babadjou than in Mbouda.…”

Section: Discussionmentioning

confidence: 99%

A Cross-sectional Epidemiological Survey on Drinking Water, Sanitation and Hygiene amongst Residents of Bamboutos Division, West Region Cameroon: A Knowledge, Attitude and Practice (KAP) Study

Fogang

Payne

Cedric

et al. 2020

IJTDH

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Background: Although Cameroon is the second country in Africa after the Democratic Republic of Congo in terms of water availability, access to good drinking water constitutes an every day’s struggle. A household survey was conducted to assess knowledge, attitudes and hygiene practices among households during collection, storage and preservation of potable water and evaluate some general hygiene/sanitation practices employed at the household level on daily basis in Bamboutos Division. Methods: A community-based descriptive cross-sectional survey was conducted in April 2019 in two Sub-Divisions of the Bamboutos Division. Respondents were interviewed using a structured questionnaire. Results: Out of the 460 households interviewed, 85.09% (n=371) could cite only one waterborne diseases with typhoid taking the lead (n=331; 89.22%); followed by cholera (n=191; 51.48%) and dysenteries (n=154; 41.51%). Most residents (n=361; 79%) had poor knowledge and practices on waterborne diseases when classified in to good/poor. Several water sources were declared by residents for drinking purposes with the springs (50%), wells (35%) and boreholes (30%) as their main sources while others (35%) mentioned rain water during the rainy season. Knowledge and practices in the prevention of WBD were found to be associated to education level while water source was found to predispose people to suffer from WBD. Most participants (n=452; 98.26%) said they washed their hands before and after eating (98.26%) and after visiting the toilets (n=358; 77.82%) with water and soap (n=403; 87.60%). Conclusion: The study indicated poor knowledge on WBD and poor practices in their prevention in Bamboutos Division. The use of a variety of water sources for drinking purposes implies that access to good quality water is a nightmare for the population of Bamboutos. Hence measures have to be put in place for the assessment of water quality and ensure the availability of potable water to everyone.

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Section: Discussionmentioning

confidence: 99%

A Cross-sectional Epidemiological Survey on Drinking Water, Sanitation and Hygiene amongst Residents of Bamboutos Division, West Region Cameroon: A Knowledge, Attitude and Practice (KAP) Study

Fogang

Payne

Cedric

et al. 2020

IJTDH

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Arsenic in drinking water: An analysis of global drinking water regulations and recommendations for updates to protect public health

Frisbie

Mitchell²

2022

PLoS ONE

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Evidence-based public health policy often comes years or decades after the underlying scientific breakthrough. The World Health Organization’s (WHO’s) provisional 10 μg/L arsenic (As) drinking water guideline was set in 1993 based on “analytical achievability.” In 2011, an additional proviso of “treatment performance” was added; a health-based risk assessment would lead to a lower and more protective guideline. Since the WHO does not require United Nations member states to submit copies of national drinking water regulations, there is no complete database of national drinking water standards or guidelines. In this study, we collated and analyzed all drinking water regulations for As from national governments worldwide. We found regulations for 176 countries. Of these countries, 136 have drinking water regulations that specify 10 μg/L As or less, while 40 have regulations that allow more than 10 μg/L of As; we could not find any evidence of regulations for 19 countries. The number of people living in countries that do not meet the WHO’s guideline constitutes 32% of the global population. Global As regulations are also strongly tied to national income, with high income countries more likely to meet the WHO’s guideline. In this study, we examined the health risk assessments that show a clear need for reducing As exposure to levels far below the current WHO provisional guideline. We also show that advances in analytical chemistry, drinking water treatment, and the possibility of accessing alternative drinking water supplies without As suggest that both low-income countries with limited resources and high-income countries with adequate resources can adopt a lower and more protective national drinking water standards or guidelines for As. Thus, we recommend that regulators and stake holders of all nations reassess the possibilities for improving public health and reducing health care expenses by adopting more stringent regulations for As in drinking water.

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A comprehensive survey and analysis of international drinking water regulations for inorganic chemicals with comparisons to the World Health Organization’s drinking-water guidelines

Mitchell,

Frisbie

2023

PLoS ONE

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Background The World Health Organization (WHO) has published criteria for determining the quality of drinking water since 1958. Since 1984, these criteria were termed “guidelines” to emphasize that they are not national standards, but rather guidelines for nations to develop their own national standards, which may take into account local environmental, social, economic, and cultural conditions. When calculating guideline values (GVs), the WHO reviews the toxicological literature, calculates a health-based value (HBV), and determines whether the HBV should be adopted as a GV. The WHO also considers aesthetic aspects of drinking water quality, such as taste and the staining of plumbing fixtures, and additionally supplies aesthetic values (AVs) for certain drinking water contaminants. There is no central registry for national drinking water standards, so the degree of variation of national drinking water standards is not known. Methods We examined standards, guidelines, and background documents for all inorganic contaminants published by the WHO from 1958–2022. We also searched for national drinking water standards for all independent countries. Results We found the WHO currently has 16 GVs, six HBVs without GVs, and six AVs without HBVs or GVs for inorganic drinking water contaminants, excluding disinfection agents and their byproducts. More than half of the point of departure studies used to support these values were published in 2005 or earlier. Ninety-eight percent of the world’s population lives in jurisdictions with drinking water standards, and 14 countries directly link their national standards to the current WHO’s drinking water guidelines. Lack of transparency (standards available only through purchase) and typographical errors are common problems, especially for resource-limited countries. Conclusions The WHO drinking water guidelines are crucially important for drinking water safety; they are used for guidance or as official standards throughout the world. It is crucial that they be based on the best available science.

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Quality of Packaged Drinking Water Marketed in Douala - Cameroon

Cited by 4 publications

References 4 publications

A Cross-sectional Epidemiological Survey on Drinking Water, Sanitation and Hygiene amongst Residents of Bamboutos Division, West Region Cameroon: A Knowledge, Attitude and Practice (KAP) Study

A Cross-sectional Epidemiological Survey on Drinking Water, Sanitation and Hygiene amongst Residents of Bamboutos Division, West Region Cameroon: A Knowledge, Attitude and Practice (KAP) Study

Arsenic in drinking water: An analysis of global drinking water regulations and recommendations for updates to protect public health

A comprehensive survey and analysis of international drinking water regulations for inorganic chemicals with comparisons to the World Health Organization’s drinking-water guidelines

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