scholarly journals Assessment of the chemical quality of drinking water in Cambodia

2006 ◽  
Vol 5 (1) ◽  
pp. 101-116 ◽  
Author(s):  
Peter R. Feldman ◽  
Jan-Willem Rosenboom ◽  
Mao Saray ◽  
Chea Samnang ◽  
Peng Navuth ◽  
...  
Keyword(s):  
Drinking Water ◽  
Water Supply ◽  
Ground Water ◽  
Rural Areas ◽  
Rapid Assessment ◽  
Water Sources ◽  
Health Concern ◽  
Chemical Quality ◽  
Drinking Water Sources

Most water supply programmes in Cambodia have focused on providing access to bacteriologically safe water, an approach which has led to an increasing reliance on ground water, especially in rural areas. However, there have been very few data collected on the chemical quality of the nation's drinking water sources, and few water supply programmes have the capacity to assess chemical quality. The study was designed to address this data gap by conducting a low-cost, rapid assessment of drinking water sources nationwide to determine whether there were any chemicals of concern in Cambodian water supply sources. Results of the assessment confirm that there are several parameters of health and aesthetic concern; dissolved arsenic is the most significant. Elevated arsenic levels (some exceeding 500 μg l-1) were detected in aquifers of moderate depth in several highly populated areas, confirming that further investigation of the occurrence of arsenic contamination in Cambodia is warranted. Other chemicals of health concern include nitrate, nitrite, fluoride and manganese. Additionally, many ground water sources are negatively impacted by parameters of aesthetic concern, such as iron, manganese, hardness and total dissolved solids. Elevated levels of these parameters have caused consumers to reject newly installed water supplies, often in favour of surface water sources that are bacteriologically unsafe.

scholarly journals Water sanitation, hygiene and the prevalence of diarrhea in the rural areas of the delta region of Myanmar

2021 ◽  
Author(s):  
Shane Htet Ko ◽  
Hiroshi Sakai
Keyword(s):  
Drinking Water ◽  
Water Supply ◽  
Rural Areas ◽  
Urban Areas ◽  
Total Population ◽  
Quality Parameters ◽  
Water Sources ◽  
Water Safety ◽  
Household Water Treatment ◽  
Drinking Water Sources

Abstract Myanmar is an agriculture-based country with 70% of the total population residing in rural areas. Around half of the total population in Myanmar has to consume water from unimproved sources. The prevalence of diarrhea due to contaminated drinking water is high even in urban areas. The urban community may expect the provision of municipal water supply in the near future if the current revolution in the country succeeds. However, the rural areas have lesser or no chance to get quality water because of a lot of other prioritized tasks. Household water treatment is encouraged to be implemented as one of the national water safety plans for rural water supply in Myanmar. This study explored the diarrhea prevention awareness of the rural community using a questionnaire survey. The microbial quality parameters of drinking water sources were also examined. Fecal coliform contamination was detected in all examined drinking water sources. A significant association was found between drinking untreated water and the occurrence of diarrhea. The percentage of people who applied the diarrhea preventive measures was low. Even if they knew how to prevent the disease, very few people applied the measures in reality. Therefore, measures to cause behavioral change should be initiated, together with awareness raising, to promote diarrhea prevention in the community.

Evaluation of the quality of service of the water supply delivery in Lebanon

2014 ◽  
Vol 5 (1) ◽  
pp. 17-27 ◽  
Author(s):  
Ali Karnib
Keyword(s):  
Drinking Water ◽  
Quality Of Service ◽  
Service Delivery ◽  
Water Supply ◽  
Water Sources ◽  
Drinking Water Source ◽  
Global Community ◽  
Drinking Water Sources ◽  
Method Of Evaluation

The global community had launched a global target related to access to sustainable safe drinking water sources and had pursued a global monitoring and reporting program on progress made on access to drinking water sources. The universal indicator considered by the global community for this purpose is the proportion of the population with (or without) access to improved drinking water sources. An improved drinking water source is defined as one that is likely to be protected from outside contamination. However, monitoring and reporting progress using this indicator does not reflect the quality of service delivery, in particular the quantity, quality and continuity of drinking water supply. This paper presents the evaluation of the quality of service of the water supply in Lebanon based on additional national-specific indicators that can properly inform the quality of water supply service delivery. A method of evaluation of quality of service index (QSI) is proposed based on a fuzzy inference system. The results of evaluation of the QSI for the four regional water supply authorities in Lebanon for the years 2000, 2005, 2010 and 2014 are then presented and discussed. Finally, the conclusion and further developments are presented.

scholarly journals GEOECOLOGICAL ASSESSMENT OF THE QUALITY OF DRINKING WATER SOURCES IN URBAN AND RURAL AREAS OF VORONEZH REGION

2020 ◽  
Vol 30 (1) ◽  
pp. 53-63
Author(s):  
T.I. Prozhorina ◽  
S.A. Kurolap ◽  
Yu.A. Presnyakova
Keyword(s):  
Drinking Water ◽  
Water Supply ◽  
Rural Areas ◽  
Water Sources ◽  
Drinking Water Supply ◽  
Monitoring And Control ◽  
Voronezh Region ◽  
Urban And Rural Areas ◽  
And Control

The problem of providing the population of the Voronezh region with clean drinking water is the most acute, since about 30 % of water sources do not meet environmental requirements, which causes a certain risk to the health of the region's population. The paper assesses the current state of centralized and decentralized drinking water supply and sanitation in the cities of Novohopersk, Borisoglebsk, Ostrogozhsk, Ramon and their surroundings, which are administrative centers of the same name municipal districts of the Voronezh region. The problems of providing the population of the region with high-quality drinking water are revealed and ways of solving rational water supply are considered. In addition, based on the results of the chemical composition of drinking water from centralized and decentralized water supply sources, the quality of drinking water supplied to the population of the studied cities was established. The results of the analysis showed that the population of the Voronezh region (for example, the cities of Novohopersk, Borisoglebsk, Ostrogozhsk, Ramon and their surroundings) uses drinking water that does not meet hygienic requirements. Therefore, today it is necessary to strengthen monitoring and control over the quality of drinking water supply, and the population of urban and rural areas of the region need to use household filters for water purification.

scholarly journals Detection of Adenoviruses and Rotaviruses in Drinking Water Sources Used In Rural Areas of Benin, West Africa

2009 ◽  
Vol 75 (9) ◽  
pp. 2798-2801 ◽  
Author(s):  
Jens Verheyen ◽  
Monika Timmen-Wego ◽  
Rainer Laudien ◽  
Ibrahim Boussaad ◽  
Sibel Sen ◽  
...  
Keyword(s):  
Drinking Water ◽  
Rural Areas ◽  
Seasonal Pattern ◽  
Virus Detection ◽  
Test Site ◽  
Water Sources ◽  
Major Health ◽  
Viral Contamination ◽  
Drinking Water Sources ◽  
Surface Water Samples

ABSTRACT Diseases associated with viruses also found in environmental samples cause major health problems in developing countries. Little is known about the frequency and pattern of viral contamination of drinking water sources in these resource-poor settings. We established a method to analyze 10 liters of water from drinking water sources in a rural area of Benin for the presence of adenoviruses and rotaviruses. Overall, 541 samples from 287 drinking water sources were tested. A total of 12.9% of the sources were positive for adenoviruses and 2.1% of the sources were positive for rotaviruses at least once. Due to the temporary nature of viral contamination in drinking water sources, the probability of virus detection increased with the number of samples taken at one test site over time. No seasonal pattern for viral contaminations was found after samples obtained during the dry and wet seasons were compared. Overall, 3 of 15 surface water samples (20%) and 35 of 247 wells (14.2%) but also 2 of 25 pumps (8%) tested positive for adenoviruses or rotaviruses. The presence of latrines within a radius of 50 m in the vicinity of pumps or wells was identified as being a risk factor for virus detection. In summary, viral contamination was correlated with the presence of latrines in the vicinity of drinking water sources, indicating the importance of appropriate decision support systems in these socioeconomic prospering regions.

scholarly journals Open Defaecation and Its Effects on the Bacteriological Quality of Drinking Water Sources in Isiolo County, Kenya

2017 ◽  
Vol 11 ◽  
pp. 117863021773553 ◽  
Author(s):  
Joab Odhiambo Okullo ◽  
Wilkister Nyaora Moturi ◽  
George Morara Ogendi
Keyword(s):  
Drinking Water ◽  
Water Sources ◽  
Drinking Water Sources ◽  
Bacteriological Quality ◽  
Isiolo County

scholarly journals Heavy metal levels in drinking water sources of Chingola District, Zambia

2020 ◽  
Author(s):  
Francis Hamwiinga ◽  
Chisala D. Meki ◽  
Patricia Mubita ◽  
Hikabasa Halwiindi
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Drinking Water ◽  
Ground Water ◽  
Water Samples ◽  
Tap Water ◽  
Water Sources ◽  
Wet Season ◽  
Drinking Water Sources ◽  
Metal Levels

Abstract Background: One of the factors impeding access to safe water is water pollution. Of particular concern is heavy metal contamination of water bodies. This study was aimed at determining the levels of heavy metals in drinking water sources of Chingola District of Zambia. Methods: A cross sectional study was employed. A total of 60 water samples were collected. Thirsty (30) samples were collected in the dry season in the month of October 2016 and another 30 in the wet season in the months of February and March, 2017. For each season 10 water samples were collected from each of the three water sources. i.e. Tap water, Urban ground water sources and Rural ground water sources. Heavy metal analysis was done using Atomic Absorption Spectrophotometer (AAS).Results: This study revealed that the concentrations of Iron, Manganese, Lead, Nickel and Arsenic were beyond maximum permissible levels in various water sources. Combined averages for both dry and wet seasons were as follows: Iron: 2.3, Copper: 0.63, Cobalt: 0.02, Manganese: 0.36, Lead: 0.04, Zinc:3.2, Nickel: 0.03, Arsenic: 0.05. Chromium and Cadmium were below detection limit in all water samples. The median concentrations of iron, arsenic, copper, manganese in drinking water from the Tap, rural and urban ground water sources were different, and this difference was statistically significant (p<0.05). The median concentrations of arsenic, nickel, manganese and cobalt were different between dry and wet season, and this difference was statistically significant (p<0.05).Conclusions: Sources of heavy metals in water seems to be both natural and from human activities. The concentration of heavy metals in different water sources in this study was found to be above the recommended levels. This calls for improvement in water monitoring to protect the health of the public. Therefore, there is need for continuous monitoring of heavy metals in drinking water sources by regulatory authorities.

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