Abstract
OBJECTIVE: To assess the bacteriological quality of drinking water sources in
District Rawalakot, Azad Kashmir, Pakistan.
METHODS: After approval from the Ethical Review Committee of Bahria
University Islamabad; this cross-sectional descriptive study was conducted in
Rawalakot District from September 2017 to March 2018. Out of 90 samples,
45 samples (15 each from bore-well, open-well & spring water) were collected
in September & October 2017 as pre-rainfall season's samples and 45 samples
were collected in post-rainfall season of February & March 2018, exactly from
the same 45 sites from which pre-rainfall water samples were collected. All the
samples were analyzed for total bacterial, total coliforms, Escherichia Coli,
Shigella and Salmonella Species.
RESULTS: Overall bacterial growth on Nutrient Agar was more commonly
observed in samples from Bore-well (n=11/15; 73.33%) during pre-rainfall
season and in open-well samples (n=12/15; 80%) during post-rainfall season.
Total coliforms growth on MacConkey agar was more frequent in post- rainfall
season in samples from spring-water (n=9/15; 60%). On eosin methyl blue
agar, majority (n=5/15; 33.33%) of Escherichia Coli growth was observed
during post-rainfall season in spring water samples. Almost all of the post-rainfall
season samples revealed less number of Shigella and Salmonella species
compared to pre-rainfall water samples.
CONCLUSION: The post-rainfall season drinking water samples of bore
wells, open wells and spring water showed higher number of bacteriological
contaminations except Shigella and Salmonella species which were reduced in
post-rainfall samples of bore-wells and revealed equal numbers among openwells and spring water samples
Syed Waasif Shoukat, Said Akbar Khan, Muhammad Ishtiaq, Inayat Shah, Syed Umair Ullah Jamil, Tahseenullah Khan. (2019) BACTERIOLOGICAL ASSESSMENT OF DRINKING WATER OF RAWALAKOT DISTRICT, AZAD KASHMIR, PAKISTAN, KHYBER MEDICAL UNIVERSITY JOURNAL, Volume 11, Issue 4.
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