Name: Chromium limits and guidelines in Mexico (MX): 21 cited rows
Creator: Passage Data

21 cited rows from 3 instruments. Not covered: a permit's own limits, or rules outside the 10 instruments we hold for Mexico (MX). Everything held for Mexico

Mexico (MX): 21 rows

Drinking water: 1 row

**NOM-127-SSA1-2021 — Agua para uso y consumo humano. Límites permisibles de la calidad del agua: Tablas 1 to 14 and…** · DOF 02/05/2022 (in force 360 natural days from the day after publication — 10. Vigencia; turbidity 3.0 UNT from the second year after entry into force — Tabla… · 1 limit
Parameter	Value	Applies when	Cite
Cromo total	0.05 mg/L	NOTA 1 Los límites permisibles de metales y metaloides se refieren a su concentración total en el agua, la cual incluye los suspendidos y los disueltos.	NOM-127-SSA1-2021, Tabla 4 (especificaciones sanitarias de metales y metaloides) Cromo total 0.05 mg/L

Effluent: 18 rows

**NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos…** · 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 —… · 18 limits, 10 shown · 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).
Every row: discharge to surface water
Parameter	Value	Statistic	Applies when	Cite
Cromo	1 mg/L	monthly average	receiving water: freshwater cuerpo receptor: Ríos, arroyos, canales, drenes	NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros) Cromo 1 1,25 1,5 0,5 0,75 1 1 1,25 1,5 0,5 0,75 1 0,5 0,75 1 0,5 0,75 1
Cromo	1,25 mg/L	daily average	as above	as above
Cromo	1,5 mg/L	instantaneous	as above	as above
Cromo	0,5 mg/L	monthly average	receiving water: freshwater cuerpo receptor: Embalses, lagos y lagunas	as above
Cromo	0,75 mg/L	daily average	as above	as above
Cromo	1 mg/L	instantaneous	as above	as above
Cromo	1 mg/L	monthly average	receiving water: marine cuerpo receptor: Zonas marinas mexicanas	as above
Cromo	1,25 mg/L	daily average	as above	as above
Cromo	1,5 mg/L	instantaneous	as above	as above
Cromo	0,5 mg/L	monthly average	cuerpo receptor: Suelo — Riego de áreas verdes	as above

Soil: 2 rows

**NOM-147-SEMARNAT/SSA1-2004 — criterios para determinar las concentraciones de remediación de suelos contaminados por…** · DOF 02/03/2007 (in force sixty natural days after publication — Transitorio Primero) · 2 guidelines
Every row: NOTA: a. En caso de que se presenten diversos usos del suelo en un sitio, debe considerarse el uso que predomine. b. Cuando en los programas de ordenamiento ecológico y de desarrollo urbano no estén establecidos los usos del suelo, se usará el valor residencial.; 1) Remediar hasta las concentraciones de referencia totales establecidas en la Tabla 1.; 5.1.1. Cuando el suelo que se presume contaminado tiene una superficie menor o igual a 1 000 m 2 , el responsable procederá a remediar a las concentraciones de referencia totales (CR T ) señaladas en la Tabla 1 o a seguir cualquiera de las metodologías descritas en la presente Norma.
Parameter	Value	Applies when	Cite
Cromo Hexavalente	280 mg/kg	uso de suelo: Uso agrícola/residencial /comercial (mg/kg)	NOM-147-SEMARNAT/SSA1-2004, Tabla 1 (concentraciones de referencia totales, CR T, por tipo de uso de suelo) Cromo Hexavalente 280 510
Cromo Hexavalente	510 mg/kg	uso de suelo: Uso industrial (mg/kg)	as above

Free check: send your permit or lab results and we check each number against the limits that apply here, each verdict cited to its page, by email within 5 business days. Or send a link to a rule we do not hold: we read it and cite it by page.

This page shows 13 of 21 rows: every instrument, each with its first 10 rows or all of them. All 21 as JSON, 200 a page.

What was searched

10 instruments we hold for Mexico (MX), for 62 names matching “chromium” (each in the JSON). 3 have a row, in the tables above; 7 have none.

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Programs: this page as JSON at /api/v1/limits?parameter=chromium&place=MX; MCP at https://passage-data.com/mcp (tool find_limits). Every tool · llms.txt · OpenAPI

Read from public law and public agency files. A row missing here is missing from our sources, not from the law of the place. Check the cited source before relying on a value.