{"id":356,"date":"2026-04-27T08:30:00","date_gmt":"2026-04-27T08:30:00","guid":{"rendered":"https:\/\/analisisambientales.net\/?p=356"},"modified":"2026-04-23T23:00:39","modified_gmt":"2026-04-23T23:00:39","slug":"nom-127-ssa1-2021-nuevos-limites-permisibles-de-calidad-del-agua","status":"publish","type":"post","link":"https:\/\/analisisambientales.net\/?p=356","title":{"rendered":"NOM-127-SSA1-2021: Nuevos L\u00edmites Permisibles de Calidad del Agua"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"356\" class=\"elementor elementor-356\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4eb83cd e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"4eb83cd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-57def79 elementor-widget elementor-widget-shortcode\" 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\"hfe-menu-item\">Contacto<\/a><\/li>\n<li id=\"menu-item-178\" class=\"menu-item menu-item-type-custom menu-item-object-custom parent hfe-creative-menu\"><a href=\"https:\/\/docs.google.com\/forms\/d\/e\/1FAIpQLSdtChl2bd79LFlCso97I44dWXr2KD_tefWdxFKE33NfQ8f3hQ\/viewform\" class = \"hfe-menu-item\">Solicitud de Cotizaci\u00f3n<\/a><\/li>\n<\/ul> \n\t\t\t\t<\/nav>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-77fbf12 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"77fbf12\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dcbb50b e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"dcbb50b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a158489 elementor-widget elementor-widget-spacer\" data-id=\"a158489\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b354ee1 elementor-widget elementor-widget-heading\" data-id=\"b354ee1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">NOM-127-SSA1-2021: El reto de los l\u00edmites de metales pesados en el agua<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25a0d47 elementor-widget elementor-widget-spacer\" data-id=\"25a0d47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b7649a elementor-widget elementor-widget-text-editor\" data-id=\"9b7649a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La calidad del agua es un pilar fundamental de la salud p\u00fablica. En M\u00e9xico, la gesti\u00f3n del agua para uso y consumo humano ha dado un giro significativo con la <strong>NOM-127-SSA1-2021<\/strong>. Esta norma sustituy\u00f3 a la antigua versi\u00f3n de 1994, trayendo consigo exigencias mucho m\u00e1s estrictas, especialmente en lo que respecta a la presencia de metales y metaloides.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-213316b elementor-widget elementor-widget-spacer\" data-id=\"213316b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-061fb8f elementor-widget elementor-widget-heading\" data-id=\"061fb8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">El endurecimiento de los est\u00e1ndares<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-799515f elementor-widget elementor-widget-text-editor\" data-id=\"799515f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Uno de los cambios m\u00e1s trascendentales se encuentra en la <strong>Secci\u00f3n 5.2.2<\/strong>, que detalla las especificaciones qu\u00edmicas para metales y metaloides. La ciencia m\u00e9dica ha demostrado que la exposici\u00f3n prolongada a sustancias como el ars\u00e9nico, el plomo y el cadmio, incluso en concentraciones m\u00ednimas, puede derivar en enfermedades cr\u00f3nicas graves, incluyendo diversos tipos de c\u00e1ncer y da\u00f1os neurol\u00f3gicos irreversibles.<\/p><p>\u00a0<\/p><p>Bajo esta premisa, la NOM-127-SSA1-2021 ha reducido los <strong>l\u00edmites permisibles de calidad del agua<\/strong> de manera dr\u00e1stica.<\/p><p>\u00a0<\/p><p>Por ejemplo:<\/p><p>\u00a0<\/p><ul><li><strong>Ars\u00e9nico:<\/strong> El l\u00edmite se redujo de 0.025 mg\/L a <strong>0.01 mg\/L<\/strong>.<\/li><li><strong>Plomo:<\/strong> Se ajust\u00f3 de 0.025 mg\/L a <strong>0.01 mg\/L<\/strong>.<\/li><\/ul><p>\u00a0<\/p><p>Este ajuste no es menor; representa un desaf\u00edo t\u00e9cnico para los organismos responsables del abastecimiento, ya que requiere de m\u00e9todos de an\u00e1lisis con una sensibilidad mucho mayor para detectar estas trazas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84beac0 elementor-widget elementor-widget-spacer\" data-id=\"84beac0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ddb9765 elementor-widget elementor-widget-heading\" data-id=\"ddb9765\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ejemplo de aplicaci\u00f3n: El caso de los pozos profundos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c8a61f8 elementor-widget elementor-widget-text-editor\" data-id=\"c8a61f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Imaginemos un organismo operador de agua en una zona industrial o agr\u00edcola que utiliza pozos profundos. Bajo la normativa anterior, un an\u00e1lisis que arrojara <strong>0.018 mg\/L de ars\u00e9nico<\/strong> se consideraba &#8220;dentro de norma&#8221;. Sin embargo, con la NOM-127-SSA1-2021, ese mismo pozo ahora se encuentra en <strong>incumplimiento<\/strong>, lo que obliga legalmente al organismo a implementar procesos de remoci\u00f3n de metales (como la adsorci\u00f3n o el intercambio i\u00f3nico mencionados en el Ap\u00e9ndice C) y a realizar monitoreos constantes para validar la efectividad del tratamiento.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-553b8d1 elementor-widget elementor-widget-spacer\" data-id=\"553b8d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-437562b elementor-widget elementor-widget-heading\" data-id=\"437562b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">La importancia del an\u00e1lisis con laboratorios autorizados.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14d843b elementor-widget elementor-widget-text-editor\" data-id=\"14d843b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El cumplimiento de estos nuevos l\u00edmites no puede dejarse al azar o a m\u00e9todos de prueba obsoletos. La propia norma, en su <strong>Secci\u00f3n 6<\/strong>, establece que la determinaci\u00f3n de estos par\u00e1metros debe realizarse bajo m\u00e9todos de prueba espec\u00edficos y rigurosos. Aqu\u00ed es donde el papel de un laboratorio especializado se vuelve vital.<\/p><p>\u00a0<\/p><p>La precisi\u00f3n en la medici\u00f3n de microgramos por litro es lo que separa un agua segura de una que representa un riesgo latente para la poblaci\u00f3n. Contar con resultados confiables no solo garantiza el cumplimiento legal ante las autoridades sanitarias, sino que brinda la certeza de que el recurso vital es realmente apto para el consumo humano.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e75270 elementor-widget elementor-widget-spacer\" data-id=\"8e75270\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1faa56a elementor-widget elementor-widget-heading\" data-id=\"1faa56a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00bfTu infraestructura est\u00e1 lista para esta norma?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb3d738 elementor-widget elementor-widget-text-editor\" data-id=\"eb3d738\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Cumplir con los l\u00edmites de la norma es una tarea obligatoria. La prevenci\u00f3n es la mejor herramienta para evitar sanciones y, sobre todo, para proteger la salud de quienes consumen el agua.<\/p><p>\u00a0<\/p><p>Garantiza el cumplimiento total de la <strong>NOM-127-SSA1-2021<\/strong> con el respaldo de expertos.<\/p><p>En <strong>Estudios y An\u00e1lisis Ambientales S.A. de C.V.<\/strong>, realizamos an\u00e1lisis qu\u00edmicos y microbiol\u00f3gicos con la precisi\u00f3n que tu proyecto requiere.<\/p><p>\u00a0<\/p><p><strong>\u00a1Asegura la calidad de tu agua hoy mismo!<\/strong> \ud83d\udcde Cont\u00e1ctanos y cotiza tus servicios de muestreo y an\u00e1lisis.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b05c6a elementor-widget elementor-widget-spacer\" data-id=\"3b05c6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b075097 elementor-widget elementor-widget-spacer\" data-id=\"b075097\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-855a387 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"855a387\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/analisisambientales.net\/?page_id=167\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Regresar a todas las noticias<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e5484bb elementor-widget elementor-widget-spacer\" data-id=\"e5484bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c5dba2 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"2c5dba2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef98b85 elementor-widget elementor-widget-shortcode\" data-id=\"ef98b85\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"211\" class=\"elementor elementor-211\">\n\t\t\t\t<div class=\"elementor-element elementor-element-520e173 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"520e173\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-b4be997 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-child\" data-id=\"b4be997\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d4d74cc e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-child\" data-id=\"d4d74cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e25590 elementor-widget elementor-widget-text-editor\" data-id=\"2e25590\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Todos los derechos reservados a Estudios y An\u00e1lisis Ambientales S.A. de C.V.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42583e8 elementor-widget elementor-widget-text-editor\" data-id=\"42583e8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/analisisambientales.net\/?page_id=3\">Pol\u00edtica de Privacidad<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u00bfTu sistema de agua cumple con la NOM-127-SSA1-2021? Conoce los nuevos l\u00edmites permisibles de ars\u00e9nico y plomo y c\u00f3mo asegurar la salud p\u00fablica.<\/p>\n","protected":false},"author":1,"featured_media":357,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_canvas","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NOM-127-SSA1-2021: Nuevos L\u00edmites Permisibles de Calidad del Agua<\/title>\n<meta name=\"description\" content=\"\u00bfTu sistema de agua cumple con la NOM-127-SSA1-2021? 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