<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2007-2422</journal-id>
<journal-title><![CDATA[Tecnología y ciencias del agua]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnol. cienc. agua]]></abbrev-journal-title>
<issn>2007-2422</issn>
<publisher>
<publisher-name><![CDATA[Instituto Mexicano de Tecnología del Agua, Coordinación de Comunicación, Participación e Información]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-24222020000500274</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2020-05-07</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Groundwater quality and associated health risks in flood affected public schools: A case study of district Sanghar, Pakistan]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarfraz]]></surname>
<given-names><![CDATA[Muhammad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sultana]]></surname>
<given-names><![CDATA[Nargis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tariq]]></surname>
<given-names><![CDATA[Muhammad Ilyas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Sargodha Department of Chemistry ]]></institution>
<addr-line><![CDATA[Sargodha ]]></addr-line>
<country>Pakistan</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,University of Sargodha Department of Chemistry ]]></institution>
<addr-line><![CDATA[Sargodha ]]></addr-line>
<country>Pakistan</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Sargodha Department of Chemistry ]]></institution>
<addr-line><![CDATA[Sargodha ]]></addr-line>
<country>Pakistan</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>5</numero>
<fpage>274</fpage>
<lpage>297</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222020000500274&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222020000500274&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222020000500274&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Drinking water quality is of vital importance for the healthy life of a community especially if consumer is a teenager. In order to compare groundwater profile of flooded area (FA) and non-flooded area (NFA) of district Sanghar, 120 water samples from public schools were collected and investigated for physico-chemical parameters, essential metals, trace elements and microbiological indicators. Analysis data revealed that 47% samples in FA were contaminated with faecal coliform bacteria as compared to only 8.3% in NFA. On the other hand, chemical indicators like TDS, Ca, Na, K, SO4, Mg and hardness were higher in FA. Comparison of trace elements content with WHO guidelines revealed that concentration of Fe, As and Zn was higher in 66.7%, 31.7% and 13.3% water samples, respectively in FA whereas content of these elements was also on higher side in 3.3%, 23.3% and 1.7% samples in NFA, respectively. Health risk assessment due to high concentration of Fe, As and Zn showed that As HRI&gt;1, for children in 35 and 23% water samples in FA and NFA, respectively.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La calidad del agua potable es de vital importancia para la vida saludable de una comunidad, especialmente si el consumidor es un adolescente. Para comparar el perfil de las aguas subterráneas del área inundada (FA) y el área no inundada (NFA) del distrito de Sanghar, se recolectaron e investigaron 120 muestras de agua de escuelas públicas para determinar parámetros fisicoquímicos, metales esenciales, oligoelementos e indicadores microbiológicos. Los datos del análisis revelaron que 47% de las muestras en FA estaba contaminada con bacterias coliformes fecales en comparación con sólo 8.3% en NFA. Por otro lado, los indicadores químicos como TDS, Ca, Na, K, SO4, Mg y dureza fueron más altos en FA. La comparación del contenido de elementos traza con las pautas de la OMS reveló que la concentración de Fe, As y Zn fue mayor en 66.7, 31.7 y 13.3% de muestras de agua, respectivamente, en FA, mientras que el contenido de estos elementos también estuvo en el lado superior en 3.3, 23.3 y 1.7% de muestras en NFA, respectivamente. La evaluación del riesgo para la salud debido a la alta concentración de Fe, As y Zn mostró que As HRI &gt; 1, para niños en 35 y 23% de muestras de agua en FA y NFA, respectivamente.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Contamination]]></kwd>
<kwd lng="en"><![CDATA[potable water]]></kwd>
<kwd lng="en"><![CDATA[risk assessment]]></kwd>
<kwd lng="en"><![CDATA[Sindh]]></kwd>
<kwd lng="en"><![CDATA[trace metals]]></kwd>
<kwd lng="es"><![CDATA[contaminación]]></kwd>
<kwd lng="es"><![CDATA[agua portátil]]></kwd>
<kwd lng="es"><![CDATA[evaluación de riesgos]]></kwd>
<kwd lng="es"><![CDATA[Sindh]]></kwd>
<kwd lng="es"><![CDATA[trazas de metales]]></kwd>
</kwd-group>
</article-meta>
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