{"query":{"parameter":"enterococos fecales nmp 100 ml","place":"MX","medium":null,"statistic":null,"kind":null},"searched":{"places":["MX"],"parameter_keys":["name:enterococci"],"names_matched":[["enterococos fecales nmp 100 ml","name:enterococci"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":18,"offset":0,"returned":18,"next_offset":null,"rows":[{"id":"79d4692e1456145b","parameter":"Enterococos fecales* (NMP/100 ml)","value":"250","value_num":250,"unit":"NMP/100 ml","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:enterococci","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Ríos, arroyos, canales, drenes","* Si la conductividad eléctrica es mayor o igual a 3500 µS/cm se analiza y reporta Enterococos fecales."],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; 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Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 1 (límites permisibles de contaminantes básicos)","page":null,"quote":"Enterococos fecales* (NMP/100 ml) 250 400 500 250 400 500 250 400 500 250 400 500 250 400 500 50 100 200"}},{"id":"c228867038ad7092","parameter":"Enterococos fecales* (NMP/100 ml)","value":"400","value_num":400,"unit":"NMP/100 ml","statistic":"daily_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:enterococci","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Embalses, lagos y lagunas","* Si la conductividad eléctrica es mayor o igual a 3500 µS/cm se analiza y reporta Enterococos fecales."],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 1 (límites permisibles de contaminantes básicos)","page":null,"quote":"Enterococos fecales* (NMP/100 ml) 250 400 500 250 400 500 250 400 500 250 400 500 250 400 500 50 100 200"}},{"id":"7d7c67a3e916ea6f","parameter":"Enterococos fecales* (NMP/100 ml)","value":"500","value_num":500,"unit":"NMP/100 ml","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:enterococci","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Embalses, lagos y lagunas","* Si la conductividad eléctrica es mayor o igual a 3500 µS/cm se analiza y reporta Enterococos fecales."],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; 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