Euphrates Journal of Agriculture Science最新文献

{"title":"Bacteriological and Physiochemical Analysis of Drinking Water in Hilla City , Iraq","authors":"Abed Albary Kuder, N. Tawfiq, H. Naji","doi":"10.2139/ssrn.3567843","DOIUrl":"https://doi.org/10.2139/ssrn.3567843","url":null,"abstract":"This study was carried out from 6 th December 2008 to 5 th April 2009 . In order to ascertain the drinking water quality in Hilla city for human consumption, bacteriological and physiochemical characterizations were evaluated. The data for bacterial counts showed that the total aerobic bacteria count (TAB) were between 0-70 /100ml, total coliform (TC) 0-2/100ml , fecal coliform (FC) 0-2/100ml , fecal streptococci (FS) 0-2/100ml , while for physiochemical analysis revealed that the chlorine were between 3-5.8 mg/L, turbidity 2.8 7.5 NTU, pH 6.9 7.5 and biological oxygen demand (BOD) 3.1 14.8 mg/L. These findings indicated that the water after treatment at the plants was suitable for human drinking, but at the points of use in houses was unsuitable for drinking during the study period. Introduction : Drinking water quality has always been a major issue in many countries, especially in developing countries and the high quality of water sources were required for drinking purpose (Assembly of Life Sciences, 1977). Good drinking water quality is essential for the well being of all people. Unfortunately in many countries around the world, some drinking water supplies have become contaminated, which has impacted on the health and economic status of the populations (Anonymous, 1992). Contaminants such as bacteria, viruses, heavy metals, nitrates and salt have find their way into water supplies as a result of inadequate treatment and disposal of waste, industrial discharges, and over-use of limited water resources (Amund and Odubella ,1991). The proportion of waterborne disease outbreaks associated with the distribution system failures has been increased over the years (Moe and Rheingans, 2006). So, water is unfit for drinking if there is any coliform bacteria (Edema et al., 2001), According to the data of WHO (2006) approximately, 250 thousand of people die every day all over the world due to diseases (typhoid, cholera, dysentery, etc.) caused by unhealthy water usage. The problems in water sources have become directly one of the most important problems in human lives (Kosek et al.,2003). The main subject to supply the water is attainability and the development of management strategies and the efficient developing cost of water providing systems (Prasai et al.,2007). Every person needs approximately 2 liters of clean drinking water and this amount reaches to approximately 12 millions m 3 /day for the world population (Yassi et al.,2001). Considering the above facts, the present research was undertaken to determine the bacteriological contamination indicators and physiochemical analysis of drinking water after treatment at the plants and the points of use in the houses of Hilla city. Materials and Methods 1. Collection of samples The drinking water samples of plants and points of use in houses were collected bimonthly from the taps of stations as mentioned in Table 1 . Samples for bacteriological analysis were collected according to APHA (1998) using steri","PeriodicalId":101895,"journal":{"name":"Euphrates Journal of Agriculture Science","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128091004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}