<?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>1409-1429</journal-id>
<journal-title><![CDATA[Revista Costarricense de Salud Pública]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. costarric. salud pública]]></abbrev-journal-title>
<issn>1409-1429</issn>
<publisher>
<publisher-name><![CDATA[Asociación Costarricense de Salud Pública]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1409-14292019000100048</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de la influencia de la estacionalidad climática en calidad del agua de consumo humano en un sistema de abastecimiento en San José, costa rica, periodo 2017-2018]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of climatic seasonal influence on the quality of water for human consumption in a San José (Costa Rica) supply system, 2017-2018]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[Eric]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solano]]></surname>
<given-names><![CDATA[Melissa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A4"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes]]></surname>
<given-names><![CDATA[Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrantes]]></surname>
<given-names><![CDATA[Kenia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Achí]]></surname>
<given-names><![CDATA[Rosario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chacón]]></surname>
<given-names><![CDATA[Luz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,UCR Instituto de Investigaciones en Salud (INISA), ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,UCR Facultad de Microbiología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Ministerio de Salud de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,UCR Facultad de Medicina Escuela de Tecnologías de Salud]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>28</volume>
<numero>1</numero>
<fpage>48</fpage>
<lpage>58</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1409-14292019000100048&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1409-14292019000100048&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1409-14292019000100048&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo:  Analizar el estado y la influencia de la variabilidad climática en la calidad del agua de un sistema de abastecimiento para consumo humano en San José, Costa Rica, captado en cuatro microcuencas del cantón Vásquez de Coronado, en el periodo 2017-2018, para brindar recomendaciones al operador y promover la protección de la población abastecida  Métodos:  Estudio descriptivo de los parámetros de calidad básicos de agua para consumo humano (Escherichia coli, coliformes fecales, turbidez, conductividad, pH, color, temperatura y cloro residual). Los análisis se realizaron siguiendo el Standard Methods for the Examination of Water and Wastewater. Se delimitaron las zonas de captación utilizando sistemas de información geográfica. Se utilizó estadística descriptiva e inferencial para describir la calidad del agua y su variabilidad espacial y estacional.  Resultados:  La concentración de coliformes fecales en el agua superficial fue &gt; 103 NMP/100 mL y la turbidez &gt;5 UTN en el 76% de las muestras. En la red de distribución se encontraron concentraciones de cloro residual y turbidez (&gt;5 UTN) por encima de los límites recomendados para agua de consumo humano. Se encontró diferencias significativas en todos los parámetros básicos de calidad de agua entre las distintas zonas de captación (p&lt;0,05 en todos los casos), así como entre épocas climáticas por zona de captación.  Conclusión:  Estos resultados indican que se está utilizando agua de calidad inadecuada para uso y consumo humano, por lo cual se recomienda un monitoreo intensivo y sectorizado de las fuentes para localizar puntos de contaminación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective:  Analyze the water quality and the influence of the climatic variability in supply system for the human consume in San José, Costa Rica, in four catchment areas in Vasquez of Coronado in the period 2017-2018 to give recommendations to the operator and promote the protection of the supplied population.  Methods:  Descriptive study of the basic parameters of the drinking water (Escherichia coli, fecal coliforms, turbidity, conductivity, pH, color, temperature, and residual chlorine). The analyses were done following Standard Methods for the examination of Water and Wastewater. The catchment areas were delimited using geographic information systems (GIS). Descriptive and inferential statistic was used to describe the water quality, spatial and seasonal variability.  Results:  The concentration of fecal coliforms in the catchment areas was &gt;10 3 NMP/100 mL and the turbidity &gt;5 UTN in 76% of the samples. In the distribution system were found concentrations of the residual chlorine and turbidity (&gt;5 UTN) above according to recommended limits for drinking water in the country. The results showed significant differences in all of the basic parameters of the water quality between catchment areas (p&lt;0, 05 in all cases) and between climatic periods for catchment areas.  Conclusion:  These results indicate that water of inadequate quality is being used for human use and consumption, for which reason intensive and sectorized source monitoring is recommended to locate contamination points.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[abastecimiento de agua]]></kwd>
<kwd lng="es"><![CDATA[salud ambiental]]></kwd>
<kwd lng="es"><![CDATA[enfermedades transmitidas por el agua]]></kwd>
<kwd lng="es"><![CDATA[recurso hídrico]]></kwd>
<kwd lng="en"><![CDATA[water supply]]></kwd>
<kwd lng="en"><![CDATA[environmental health]]></kwd>
<kwd lng="en"><![CDATA[waterborne diseases]]></kwd>
<kwd lng="en"><![CDATA[water resources]]></kwd>
</kwd-group>
</article-meta>
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