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Environmental License Application Mexico (Licencia Ambiental)

Environmental License Application Mexico (Licencia Ambiental / MIA)

SOLICITUD DE AUTORIZACIÓN AMBIENTAL

Manifestación de Impacto Ambiental / Licencia Ambiental Única

Conforme a la LGEEPA Art. 28 y su Reglamento en Materia de Evaluación del Impacto Ambiental

[Authority Name]

[Proponent Name], RFC [Proponent RFC], con domicilio en [Proponent Address], representada por [Proponent Representative], a través del consultor ambiental responsable [Environmental Consultant], ante Usted respetuosamente solicita la emisión de: [Authorization Type].

Folio electrónico SINAT: [SINAT Folio]

I. DESCRIPCIÓN DEL PROYECTO

Nombre del proyecto: [Project Name]

Tipo de obra o actividad: [Project Type]

Descripción general: [Project Description]

Ubicación y coordenadas: [Project Location]

Superficie total: [Project Surface]

Proximidad a Área Natural Protegida (ANP): [ANP Proximity]

II. ASPECTOS AMBIENTALES CLAVE

Emisiones atmosféricas (NOM-043-SEMARNAT-1993 y NOMs aplicables):

[Air Emissions]

Descarga de aguas residuales (NOM-001-SEMARNAT-1996):

[Wastewater Discharge]

Residuos peligrosos (NOM-052-SEMARNAT-2005):

[Hazardous Waste]

Medidas de mitigación y compensación ambiental:

[Mitigation Measures]

Programa de monitoreo ambiental:

[Monitoring Program]

III. FUNDAMENTO LEGAL

La presente solicitud se funda en los Artículos 28, 31, 34 y demás aplicables de la Ley General del Equilibrio Ecológico y la Protección al Ambiente (LGEEPA); en el Reglamento de la LGEEPA en Materia de Evaluación del Impacto Ambiental; en las Normas Oficiales Mexicanas aplicables emitidas por la SEMARNAT; y en el Reglamento Interior de la SEMARNAT respecto a las atribuciones de la Dirección General de Impacto y Riesgo Ambiental (DGIRA). Modalidad solicitada: [MIA Modality]

FIRMA Y DECLARACIÓN

El suscrito declara bajo protesta de decir verdad que la información proporcionada en la presente solicitud y en la Manifestación de Impacto Ambiental adjunta es verídica, y que el proyecto cumplirá con todas las NOMs y condicionantes que emita la autoridad ambiental en la resolución correspondiente.

Presentado ante [Authority Name], a [Submission Date].

[Proponent Name]

Representante Legal: [Proponent Representative]

Firma: _________________________

Consultor Ambiental Responsable: [Environmental Consultant]

Firma: _________________________

Proponent / Legal Representative (Promovente / Representante Legal)

________________

Signature

Environmental Consultant (Consultor Ambiental Responsable)

________________

Signature

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What Is a Environmental License Application Mexico (Licencia Ambiental)?

An Environmental License Application Mexico (Trámite de Licencia Ambiental Única — LAU) is the formal administrative procedure through which businesses, developers, and industrial operators submit an environmental authorization request to the Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT) at the federal level, or to the state environmental authority (Secretaría del Medio Ambiente estatal), to obtain the permits and authorizations required before commencing, modifying, or expanding activities that may cause significant environmental impact. The primary federal legal basis is Article 28 of the Ley General del Equilibrio Ecológico y la Protección al Ambiente (LGEEPA), published in the Diario Oficial de la Federación on 28 January 1988 and subject to numerous subsequent reforms.

Article 28 LGEEPA establishes that any work or activity listed in its catalog that may cause ecological imbalance, exceed environmental quality limits, or produce significant ecological damage requires prior environmental impact authorization (autorización de impacto ambiental — AIA) from SEMARNAT before initiation. The Reglamento de la LGEEPA en Materia de Evaluación del Impacto Ambiental (published in the DOF on 30 May 2000) specifies the procedure, documentation requirements, and evaluation criteria for the Manifestación de Impacto Ambiental (MIA) — the comprehensive environmental impact statement (EIA) that forms the core of the federal authorization process.

The Licencia Ambiental Única (LAU) is a consolidated environmental operating permit available to industrial facilities classified as fuentes fijas de jurisdicción federal (fixed sources of federal jurisdiction) under LGEEPA. The LAU integrates multiple environmental authorizations — for air emissions, wastewater discharges, hazardous waste management, and soil contamination prevention — into a single instrument, simplifying compliance for industrial operators. The LAU is managed through the SEMARNAT electronic platform (Sistema de Trámites Electrónicos de SEMARNAT) and requires annual Cédula de Operación Anual (COA) reporting.

Not all environmental authorizations are federally controlled — the LGEEPA establishes a concurrent jurisdiction system (concurrencia) under which activities with state-level impacts are evaluated by state environmental agencies. Activities with regional or local impact — small commercial establishments, medium-size industries, most construction projects, and service facilities — are regulated by the Secretaría del Medio Ambiente of the relevant state under state Leyes Ambientales and state reglamentos de impacto ambiental. Mexico City (CDMX) operates its own environmental permitting system through the SEDEMA (Secretaría de Medio Ambiente de la Ciudad de México) under the Ley Ambiental de Protección a la Tierra en el Distrito Federal.

Normas Oficiales Mexicanas (NOMs) issued by SEMARNAT and the Comisión Federal para la Protección contra Riesgos Sanitarios (COFEPRIS) establish emission limits, discharge standards, and operational requirements for specific sectors. Key NOMs include NOM-043-SEMARNAT-1993 (atmospheric particulate matter), NOM-001-SEMARNAT-1996 (wastewater discharges to water bodies), NOM-052-SEMARNAT-2005 (hazardous waste classification), and NOM-059-SEMARNAT-2010 (wildlife species protection). Compliance with applicable NOMs is a prerequisite for environmental license issuance.

The Procuraduría Federal de Protección al Ambiente (PROFEPA), SEMARNAT's enforcement arm, conducts environmental audits (visitas de inspección) and may impose administrative sanctions — fines (multas), temporary or permanent closure (clausura), and remediation orders — on facilities operating without required permits or in violation of permit conditions under Articles 160–171 LGEEPA.

When Do You Need a Environmental License Application Mexico (Licencia Ambiental)?

An Environmental License Application Mexico is needed before commencing any work, activity, or project listed in Article 28 of the LGEEPA that may cause significant environmental impact. Federal environmental impact authorization is mandatory for: hydraulic works and water infrastructure; transportation infrastructure (highways, airports, railways, ports); oil and gas extraction and pipeline projects; mining operations; tourist development in coastal zones (zonas costeras) and protected natural areas (áreas naturales protegidas — ANP); chemical, petrochemical, and steel manufacturing; nuclear and electric power generation; hazardous waste treatment and disposal facilities; and forest clearing (cambio de uso de suelo forestal) under Article 28 Section VII LGEEPA.

State-level environmental authorization is needed for most commercial, industrial, and construction projects that fall below the federal threshold but exceed state-established significance thresholds. In the CDMX, SEDEMA requires environmental impact reviews for construction projects exceeding specific floor area thresholds, industrial facilities above certain emission quantities, and any project within or adjacent to protected ecological zones (Suelo de Conservación) under the Ley Ambiental de Protección a la Tierra en el DF.

The Licencia Ambiental Única (LAU) is needed when an industrial facility — a manufacturing plant, chemical processing operation, or energy generation facility — operates as a fuente fija de jurisdicción federal under the LGEEPA and needs to consolidate multiple environmental permits (air, water, soil, and hazardous waste) into a single operating authorization. The LAU must be renewed every three to five years depending on the risk classification of the facility.

The Cédula de Operación Anual (COA) reporting obligation is triggered whenever a facility holds an LAU — operators must report annually to SEMARNAT on emissions, discharges, waste generation, and compliance with permit conditions. Failure to file the COA on time subjects the operator to fines under the Reglamento de la LGEEPA.

Environmental permits are also needed for changes of land use (cambio de uso de suelo) in forest lands under Article 117 of the Ley General de Desarrollo Forestal Sustentable (LGDFS), and for projects within or affecting Natural Protected Areas (ANP) governed by the Comisión Nacional de Áreas Naturales Protegidas (CONANP). Projects affecting the habitat of species listed in NOM-059-SEMARNAT-2010 (endangered or threatened species) require additional risk assessment (evaluación de riesgo ambiental).

Foreign direct investment projects in Mexico — particularly in manufacturing, mining, agribusiness, and energy — must obtain environmental authorizations before the Comisión Nacional de Inversiones Extranjeras (CNIE) and SEMARNAT as conditions precedent to investment approval and construction commencement.

What to Include in Your Environmental License Application Mexico (Licencia Ambiental)

A valid Environmental License Application Mexico (Manifestación de Impacto Ambiental or Licencia Ambiental Única application) under the LGEEPA Article 28 and the Reglamento de la LGEEPA en Materia de Evaluación del Impacto Ambiental must contain the following essential elements.

Proponent Identification: Full legal name, RFC, domicile, and contact information of the project proponent (promovente) — whether an individual (persona física) or legal entity (persona moral). If a legal entity, the company's RFC, Registro Público de Comercio inscription, and power of attorney of the authorized representative (representante legal) must be included. The Notarial power must grant explicit authority to submit environmental permit applications before SEMARNAT.

Project Description: Detailed description of the project, work, or activity for which authorization is sought, including: type of activity (industrial, commercial, infrastructure, tourist, etc.); production capacity and scale; physical footprint (surface area in hectares or square meters); location with geographic coordinates (UTM or decimal degrees); and legal tenure of the land (property title, lease, or public land concession).

Environmental Impact Statement (Manifestación de Impacto Ambiental — MIA): The MIA is the core technical document required for federal authorization under the Reglamento de la LGEEPA. The MIA may be prepared in Modalidad Regional (for large or complex projects affecting regional ecosystems) or Modalidad Particular (for individual projects with more limited impacts). The MIA must describe: (a) the natural environment (medio natural) at the project site — climate, topography, hydrology, vegetation, wildlife, soils; (b) the socioeconomic environment (medio socioeconómico) — population, land use, cultural heritage, community services; (c) identification and description of all environmental impacts; (d) evaluation of impact significance (significancia) using quantitative and qualitative methods; (e) prevention, mitigation, and compensation measures; and (f) environmental monitoring and reporting program.

Technical Specifications: Engineering drawings, site plans, process flow diagrams, emission calculation worksheets, and technical specifications for pollution control equipment. For air emission sources, stack test protocols and dispersion modeling results under applicable NOMs. For wastewater, treatment plant design and effluent quality projections against NOM-001-SEMARNAT-1996 limits.

Hazardous Materials and Waste: Inventory of all hazardous substances to be used, stored, or generated, classified per NOM-052-SEMARNAT-2005. Description of hazardous waste management plan including collection, storage (almacén temporal), transport (through authorized transportistas), and final disposal at authorized facilities (confinamiento controlado) registered with SEMARNAT.

Public Participation: For projects subject to mandatory public consultation under Article 34 LGEEPA — primarily those in or near ANPs, indigenous communities, or involving significant community impacts — evidence of public participation process compliance, including meeting notices, attendance records, and responses to public comments.

SEMARNAT Electronic Filing: Submission through the SEMARNAT Sistema de Trámites Electrónicos portal, including digital annexes, payment of applicable fees (derechos) under the Ley Federal de Derechos, and acknowledgment of submission receipt (acuse de recibo). SEMARNAT has up to 60 business days to evaluate the MIA and issue a resolution under the Reglamento — silence after this period may be treated as a negative resolution under applicable administrative law.

Forms-legal.com provides this Environmental License Application Mexico template as a planning and preparatory guide for businesses and developers navigating SEMARNAT requirements. The MIA and LAU application must be prepared by an environmental professional (ingeniero ambiental or ecólogo) with expertise in SEMARNAT processes, and the legal aspects must be overseen by an abogado especialista en derecho ambiental. PROFEPA and SEMARNAT accept complaints from citizens and third parties regarding unlicensed activities, so early compliance is essential.

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Forms Legal. (2026). Environmental License Application Mexico (Licencia Ambiental) (Mexico) [Legal document template]. Forms Legal. https://forms-legal.com/mexico/government/declarations/environmental-license-application-mexico

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BibTeX
@misc{formslegal-environmental-license-application-mexico,
  author       = {{Forms Legal}},
  title        = {Environmental License Application Mexico (Licencia Ambiental) (Mexico)},
  year         = {2026},
  howpublished = {\url{https://forms-legal.com/mexico/government/declarations/environmental-license-application-mexico}},
  note         = {Free legal document template}
}

Frequently Asked Questions

Statute-referenced template — Template last modified June 2026

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