<?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>0123-921X</journal-id>
<journal-title><![CDATA[Tecnura]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnura]]></abbrev-journal-title>
<issn>0123-921X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Distrital Francisco José de Caldas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-921X2020000100084</article-id>
<article-id pub-id-type="doi">10.14483/22487638.15333</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de agua no contabilizada en el sistema de abastecimiento urbano del municipio de Facatativá, Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of non-revenue water in the urban supply system of the municipality of Facatativá, Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bueno-Herrera]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monroy-Ávila]]></surname>
<given-names><![CDATA[Edison]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zafra-Mejía]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Manuela Beltrán  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Manuela Beltrán  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Distrital Francisco José de Caldas  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>24</volume>
<numero>63</numero>
<fpage>84</fpage>
<lpage>98</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-921X2020000100084&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-921X2020000100084&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-921X2020000100084&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Contexto: Las pérdidas de agua son un obstáculo financiero para empresas prestadoras del servicio de abastecimiento, ya que generan pérdidas económicas que son trasladadas a los usuarios, elevando de esta manera los costos de suministro del agua. El objetivo de este artículo es presentar un análisis del agua no contabilizada en un sistema de abastecimiento urbano en Colombia.  Método: Este estudio se realizó a partir de información del agua producida (AP) y facturada por el sistema de abastecimiento durante cerca de 16 años. Se realizó un análisis comparativo con respecto a reportes de agua no contabilizada en sistemas colombianos e internacionales de referencia. Se evaluó también la influencia del régimen de precipitación sobre el índice de agua no contabilizada (IANC). Se realizó finalmente un análisis económico prospectivo mediante modelos ARIMA.  Resultados: Se observa un incremento del 5,0 % en el IANC por cada 100 000 m3 de AP. Existe un incremento del 2,28 % en el IANC por cada incremento de 100 mm en la precipitación anual. El sistema posee un menor precio en el AP (22,2 %) con respecto a sistemas latinoamericanos de referencia. Sin embargo, el sistema posee un mayor precio (33,3 %) en relación con el promedio colombiano. El análisis ARIMA muestra que los efectos del AP en un instante de tiempo determinado se transfieren durante seis meses en el sistema de abastecimiento.  Conclusiones: La aplicación del IANC en sistemas de abastecimiento es una herramienta útil para el estudio y desarrollo de programas de control de pérdidas de agua.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Context: Water losses are a financial obstacle for supply service providers as they generate economic losses that are passed on to users, thereby raising water supply costs. The objective of this paper is to shows an analysis of non-revenue water in an urban supply system in Colombia.  Method: This study was conducted from information of water produced (WP) and billed by the supply system for about 16 years. A comparative analysis was carried out with respect to reports of non-revenue water in Colombian and international reference systems. Rainfall influence on the non-revenue water index (NRWI) was also assessed. A prospective economic analysis was finally carried out using ARIMA models.  Results: There is an increase of 5.0% in NRWI per 100 000 m3 of WP. There is an increase of 2.28% in NRWI for each increase of 100 mm in annual rainfall. The system has a lower price on WP (22.2%) in relation with Latin American reference systems. However, the system has a higher price (33.3%) relative to the Colombian average. Analysis ARIMA shows that the effects of AP in an instant of time are transferred during six months in the water supply system.  Conclusions: The application of NRWI in supply systems is a useful tool for the study and development of water loss control programs.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[acueducto]]></kwd>
<kwd lng="es"><![CDATA[agua no contabilizada]]></kwd>
<kwd lng="es"><![CDATA[ARIMA]]></kwd>
<kwd lng="es"><![CDATA[sistema de abastecimiento]]></kwd>
<kwd lng="en"><![CDATA[Aqueduct]]></kwd>
<kwd lng="en"><![CDATA[Non-revenue water]]></kwd>
<kwd lng="en"><![CDATA[ARIMA]]></kwd>
<kwd lng="en"><![CDATA[Water supply system]]></kwd>
</kwd-group>
</article-meta>
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