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Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study

High concentrations of nitrate through drinking water have been associated with health problems. This cross sectional study sought to determine the level of nitrate concentrations in private well water and the association to the disease caused by nitrate among population of Bachok, Kelantan. The con...

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Main Authors:	Shamsuddin, Aida Soraya, Syed Ismail, Sharifah Norkhadijah, Zainal Abidin, Emilia, Ho, Yu Bin, Juahir, Hafizan
Format:	Article
Language:	English
Published:	Science Publications 2016
Online Access:	http://psasir.upm.edu.my/id/eprint/55373/1/Contamination%20of%20Nitrate%20in%20Groundwater%20and%20Evaluation%20of.pdf http://psasir.upm.edu.my/id/eprint/55373/ http://thescipub.com/abstract/10.3844/ajassp.2016.80.90
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spelling	my.upm.eprints.553732017-11-30T09:04:20Z http://psasir.upm.edu.my/id/eprint/55373/ Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study Shamsuddin, Aida Soraya Syed Ismail, Sharifah Norkhadijah Zainal Abidin, Emilia Ho, Yu Bin Juahir, Hafizan High concentrations of nitrate through drinking water have been associated with health problems. This cross sectional study sought to determine the level of nitrate concentrations in private well water and the association to the disease caused by nitrate among population of Bachok, Kelantan. The concentrations of nitrate in 256 wells were sampled from September to October 2015. About 126 respondents from the agricultural area and 130 respondents from the non-agricultural area were participated in the study. The human health risk associated with ingesting nitrate were assessed by Hazard Quotient (HQ) and Odd Ratio (OR). The physicochemical characteristics of well water in both areas (i.e., pH, ammonia, Dissolved Oxygen (DO), conductivity, turbidity, Total Dissolved Solid (TDS) and salinity) were within the acceptable limits of Malaysian Drinking Water Quality Standard. The mean ± SD levels of nitrate in the agricultural area was 13.04±14.39 mg L−1 NO3-N, exceeding the maximum acceptable limits of Malaysia NDWQS (10 mg L−1 NO3-N) and were two fold higher than the non-agriculture area (6.31±5.22 mg L−1 NO3-N). 52 wells (41.27%) in the agricultural area and 35 wells (26.9%) in the non-agricultural area had nitrate level above the maximum acceptable nitrate (10 mg L−1 NO3-N). The HQ associated with the potential non-carcinogenic risk of drinking nitrate contaminated groundwater ranged from 0.007 to 1.143×10−6 in the agricultural area, slightly higher than in the non-agricultural area (0.002 to 0.468×10−6). The OR for disease such as diabetes, goitre and gastric were not significant with high levels of nitrate in the well water. The results of the present study showed that there was no statistically significant association between nitrate in well water and the risk of related health disease such as diabetes, goitre and gastric in this study. Science Publications 2016 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/55373/1/Contamination%20of%20Nitrate%20in%20Groundwater%20and%20Evaluation%20of.pdf Shamsuddin, Aida Soraya and Syed Ismail, Sharifah Norkhadijah and Zainal Abidin, Emilia and Ho, Yu Bin and Juahir, Hafizan (2016) Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study. American Journal of Applied Sciences, 13 (1). pp. 80-90. ISSN 1546-9239; ESSN: 1554-3641 http://thescipub.com/abstract/10.3844/ajassp.2016.80.90 10.3844/ajassp.2016.80.90
institution	Universiti Putra Malaysia
building	UPM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Putra Malaysia
content_source	UPM Institutional Repository
url_provider	http://psasir.upm.edu.my/
language	English
description	High concentrations of nitrate through drinking water have been associated with health problems. This cross sectional study sought to determine the level of nitrate concentrations in private well water and the association to the disease caused by nitrate among population of Bachok, Kelantan. The concentrations of nitrate in 256 wells were sampled from September to October 2015. About 126 respondents from the agricultural area and 130 respondents from the non-agricultural area were participated in the study. The human health risk associated with ingesting nitrate were assessed by Hazard Quotient (HQ) and Odd Ratio (OR). The physicochemical characteristics of well water in both areas (i.e., pH, ammonia, Dissolved Oxygen (DO), conductivity, turbidity, Total Dissolved Solid (TDS) and salinity) were within the acceptable limits of Malaysian Drinking Water Quality Standard. The mean ± SD levels of nitrate in the agricultural area was 13.04±14.39 mg L−1 NO3-N, exceeding the maximum acceptable limits of Malaysia NDWQS (10 mg L−1 NO3-N) and were two fold higher than the non-agriculture area (6.31±5.22 mg L−1 NO3-N). 52 wells (41.27%) in the agricultural area and 35 wells (26.9%) in the non-agricultural area had nitrate level above the maximum acceptable nitrate (10 mg L−1 NO3-N). The HQ associated with the potential non-carcinogenic risk of drinking nitrate contaminated groundwater ranged from 0.007 to 1.143×10−6 in the agricultural area, slightly higher than in the non-agricultural area (0.002 to 0.468×10−6). The OR for disease such as diabetes, goitre and gastric were not significant with high levels of nitrate in the well water. The results of the present study showed that there was no statistically significant association between nitrate in well water and the risk of related health disease such as diabetes, goitre and gastric in this study.
format	Article
author	Shamsuddin, Aida Soraya Syed Ismail, Sharifah Norkhadijah Zainal Abidin, Emilia Ho, Yu Bin Juahir, Hafizan
spellingShingle	Shamsuddin, Aida Soraya Syed Ismail, Sharifah Norkhadijah Zainal Abidin, Emilia Ho, Yu Bin Juahir, Hafizan Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study
author_facet	Shamsuddin, Aida Soraya Syed Ismail, Sharifah Norkhadijah Zainal Abidin, Emilia Ho, Yu Bin Juahir, Hafizan
author_sort	Shamsuddin, Aida Soraya
title	Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study
title_short	Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study
title_full	Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study
title_fullStr	Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study
title_full_unstemmed	Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study
title_sort	contamination of nitrate in groundwater and evaluation of health risk in bachok, kelantan: a cross-sectional study
publisher	Science Publications
publishDate	2016
url	http://psasir.upm.edu.my/id/eprint/55373/1/Contamination%20of%20Nitrate%20in%20Groundwater%20and%20Evaluation%20of.pdf http://psasir.upm.edu.my/id/eprint/55373/ http://thescipub.com/abstract/10.3844/ajassp.2016.80.90
_version_	1643835875570745344
score	13.211869

Contamination of nitrate in groundwater and evaluation of health risk in Bachok, Kelantan: a cross-sectional study

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