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  • ارزیابی کیفیت میکروبی و کلرسنجی آب آشامیدنی شهر آباده در سال 94 و مقایسه آن با استاندارد های ملی و WHO

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کد مقاله : JEST-1701-3290 (R1) بازدید : 173 صفحه: 27 - 36

10.22034/jest.2019.23834.3290

نوع مقاله: پژوهشی

ارزیابی کیفیت میکروبی و کلرسنجی آب آشامیدنی شهر آباده در سال 94 و مقایسه آن با استاندارد های ملی و WHO

محورهای موضوعی : آلودگی های محیط زیست (آب، خاک و هوا)

لیلا نعمت الهی 1 , هانیه نوذری 2

1 - کارشناس ارشد مهندسی منابع طبیعی، گروه محیط زیست، واحد آباده، دانشگاه آزاد اسلامی، آباده، ایران.
2 - استادیار، گروه محیط زیست، واحد آباده، دانشگاه آزاد اسلامی، آباده، ایران  (مسوول مکاتبات).

تاریخ دریافت : 1395/10/19 تاریخ پذیرش : 1396/04/28 تاریخ انتشار : 1398/11/01

کلید واژه: شبکه آبرسانی, آباده, کلر باقی مانده, کلی فرم,

چکیده مقاله :

زمینه و هدف: کیفیت آب از جمله مسایلی است که با سلامتی و بهداشت فردی و عمومی جامعه نسبت مستقیم دارد و پایش آب و تامین شرایط بهداشتی آن از اهمیت بالایی برخوردار است. لذا هدف از این مطالعه تعیین کیفیت میکروبی آب آشامیدنی شهر آباده در سال 1394 و مقایسه کیفیت آن با استاندارد های ملی و سازمان بهداشت جهانی((WHO است. روش بررسی: در این مطالعه تعداد 122 نمونه آب جهت آزمایش میکروبی و 3864 نمونه آب جهت کلرسنجی از شبکه آبرسانی شهرآباده در سال 1394 برداشت و آنالیز گردید. آزمایشات کل کلی فرم و کلی فرم مدفوعی با روش تخمیر چند لوله ای و کلر باقی مانده آب با روش رنگ سنجی انجام شد. در نهایت داده ها با استفاده ازآزمون های آماری One sample T-test, Chi-square, Mann-Withney, Kruskal-Wallis, Pearson Correlation Matrix مورد تجزیه و تحلیل قرار گرفتند. یافته ها: در آنالیز میکروبی در 36/98% نمونه ها تعداد کلی فرم صفر MPN/100ml و در100% نمونه ها تعداد کلی فرم مدفوعی صفر MPN/100ml بود و میزان کلر باقی مانده در0/78% نمونه ها مطلوب بود و انتظارات استانداردهای ملی و جهانی را برآورده می نمایند. فصل زمستان کم ترین و فصل تابستان بیش ترین مقدار کلر باقی مانده را نشان داد. از لحاظ همبستگی بین میزان کلر باقی مانده آب و حضور باکتری های کلی فرم در آب همبستگی منفی معنی دار وجود دارد. بحث و نتیجه گیری: شاخص میکروبی آب آشامیدنی شهر آباده از حد استاندارد شاخص میکروبی WHO و استاندارد ملی پایین تر است درنتیجه کیفیت آب شرب این شهر از وضعیت مطلوبی برخوردار است.

چکیده انگلیسی:

Background and Objective: Water quality is one of the issues that are directly related to the health and personal and public health of the society, and monitoring the water and providing its health conditions is of great importance. Therefore, the aim of this study was to determine the microbial quality of drinking water in Abadeh in 2015 and to compare its quality with national standards and the World Health Organization (WHO). Method: In this study, 122 water samples for microbial measurement and 3864 water samples for chlorimetry were analyzed from water network of Abadeh city during 2015-2016. Multiple tube fermentation method and colorimetric method were used to determine fecal and total coliform bacteria and residual chlorine, respectively. Finally, all data were analysed by one sample T-test, Chi-Square, Mann-Withney, Kruskal-Wallis and Pearson Correlation Matrix. Findings: The results showed that the total coliform was 0 MPN/100ml in 98.36% of all samples and the fecal coliform was 0 MPN/100ml in 100% of all samples by microbial analysis and the residual chlorine were desirable in 78.0% of the samples and meet the expectations of national and international standards. Winter and summer showed the lowest and greatest amount of residual chlorine, respectively. On the other hand, the results showed significant negative associations between the amounts of the residual chlorine of the water with the presence of coliform bacteria in the water. Discussion and Conclusion: The microbial index of drinking water of the Abadeh city is lower than the standard limit of the WHO microbial Index and the national standard. As a result, the quality of drinking water of the city is desirable.

منابع و مأخذ:


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  1. Almasi, A., Asadi, F., Sharafi, K., Atafar, Z., Mohamadi, A., 2013. Efficacy evaluation of drinking water distribution network existence in microbial quality desirability and its chlorination status in small communities – case study: Kermanshah province villages. Journal of Health in the Field, Vol. 1(2), pp. 17-21 (In Persian).
    2.

 

 

 

 
 



 

_||_

  1. Mohammadi, A. Amouei, A., Tabarinia, H., Faraji, H., 2015. Investigating the physicochemical analysis of potable ground water resources in rural area of Babol city. Journal of Neyshabur University of Medical Science, Vol. 3(2), pp. 61-69 (In Persian).
    2.
  2. Erfanmanesh, M., Afyuni, M., 2014. Environmental pollution: water, soil & air. 10th ed., Arkan Danesh Press, Isfahan, Iran (In Persian).
    3.
  3. Razaghi, N., 1985. Purification, transfer and distribution of the water. 1st ed., Cultural Department of Central Unit of Jihad Daneshgahi Press, Tehran, Iran (In Persian).
    4.
  4. Mahvi, A.H., 1978. Health and aesthetic aspects of water quality. 1st ed., Balgostar Press, Tehran, Iran (In Persian).
    5.
  5. Massoudinejad, M.R., Fallahzadeh, R.A., 2009. Fundamentals of water resources treatment and operation. 1st ed., Hafiz Press, Tehran, Iran (In Persian).
    6.
  6. Khani, M.R., Sharifi, R., 2009. Environment and environmental health (1) - water and its pollution. 7th ed., Khaniran Press, Tehran, Iran (In Persian).
    7.
  7. Noroozi, R., Zafarzadeh, A., Youlizadeh, T., 2013. Survey on microbial quality of drinking water in city Maravetapeh villages and comparison with national and WHO standards. Journal of Environmental Health Engineering, Vol. 1(1), pp. 21-29 (In Persian).
    8.
  8. Amirbeigi, H., 2008. Principles of environmental health. 1st ed., Andisheh Rafie Press, Tehran, Iran (In Persian).

    1.  Iran standard and industrial research institute, 1997. Standard guidelines no.1053 for physicochemical quality of drinking water. 5th ed., Tehran, Iran (In Persian).
      2.

  9. Rakhsh Khorshid, A., Kord Mostafapour, F., Jafari Madrak, M., Ghanbari, M., 2002. Survey on microbial quality of drinking water in Zahedan city. Journal of Eastern Doctor, Vol. 4(1), pp. 9-15 (In Persian).
    10.
  10. Mohammadian Fazli, M., 2003. Microbial quality of drinking water of Zanjan city during 2000. Journal of Zanjan University of Medical Science, Vol. 10(41), pp. 45-50 (In Persian).
    11.
  11. Robat Sarpoushi, Gh., Choupani, R., Tarkhasi, M., Rahmani Sani, A., 2012. Evaluation of drinking water biological and chemical quality in rural villages under vision of Rabat Sarpush and Shamkan villages of Sabzevar city. Journal of Sabzevar University of Medical Science, Vol. 17(1 & 2), pp. 13-17 (In Persian).
    12.
  12. Shah Mansoori, M.R., Farokh Zadeh, H., Yousefi, H.A., Mahmoodi, M., 2001. Evaluation of biological quality index in drinking water resources of Mobarakeh city. 4th Environmental health Conference, Yazd, Iran (In Persian).
    13.
  13. Mostafa Amr, H., Alwasify Raed, S., Sayed Amer, M., Haroun Bakrym, M., 2013. Microbiological and physicochemical evaluation of ground water in Egypt. International Journal of Environment and Sustainability, Vol. 2(2), pp. l-10.
    14.
  14. Abu Mayla, Y.S., Abu Amr, S.S., 2010. Chemical and microbiological quality of drinking water in Gaze strip, Palestine. Science Vision, Vol. 10(3), pp. 80-88.
    15.
  15. Damo, R., Icko, P., 2013. Evaluation of water quality index for drinking water. Polish Journal of Environmental Studies, Vol. 22(4), pp. 1045-1051.
    16.
  16. Odonkor, S.T., Addo, K.K., 2013. Bacteriological profile and physicochemical quality of ground water: A case study of bore hole water source in a rural Ghanaian community. International Journal of Current Microbiology and Applied Sciences, Vol. 2(8), pp. 21-40.
    17.
  17. Asl Hashemi, A., Esmaeilpour, K., 2012. Assessment of chlorimetry and chemical and microbial sampling of drinking water of Maragheh villages. Journal of Applied Chemistry in the Environment, Vol. 4(5), pp. 1-5 (In Persian).
    18.
  18. Mostafaee, Gh.R., Rabbani, D., Iranshahi, L., 2003. Microbial quality of drinking water of Kashan city during 1999-2000. Journal of Feiz, Vol. 7(1), pp. 13-19 (In Persian).
    19.
  19. Majdi, H., Gheibi, L., Soltani, T., 2015. Evaluation of physicochemical and microbial quality of drinking water of villages in Takab town in west Azerbaijan in 2013. Journal of Rafsanjan University of Medical Science, Vol. 14(8), pp. 631-642 (In Persian).
    20.

  1. Almasi, A., Asadi, F., Sharafi, K., Atafar, Z., Mohamadi, A., 2013. Efficacy evaluation of drinking water distribution network existence in microbial quality desirability and its chlorination status in small communities – case study: Kermanshah province villages. Journal of Health in the Field, Vol. 1(2), pp. 17-21 (In Persian).
    2.

 

 

 

 
 



 

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