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ADEQ's Southern Regional Office (SRO) in Tucson serves Cochise, Graham, Greenlee, Pima, Santa Cruz and Yuma counties.
Responsible for a portion of agency programs, SRO coordinates ADEQ's activities to protect public health and the environment along the Arizona-Mexico border, conducts inspections and complaint investigations of permitted and non-permitted air pollution sources, water and wastewater facilities, responds to emergencies that threaten public health and the environment and processes open burn permit applications.
SRO also monitors and tests public drinking water systems to ensure safe, potable water supplies, inspects the construction and operation of wastewater treatment facilities and on-site systems, oversees the investigation and cleanup of contaminated soil and groundwater Superfund sites and supports ADEQ's groundwater monitoring, sourcewater assessments and water quality permitting activities.
For more information:
See also:
City of Tucson Environmental Services 
EPA EMPACT Project Partner
EPA Public Involvement 
Pima Association of Governments 
Pima County Department of Environmental Quality 
Southern Arizona Environmental Management Society 
State of Arizona 
Tucson Water 
University of Arizona Water Resources Research Center 
Water Infrastructure Finance Authority of Arizona (WIFA) 
Emergency Response
To report a hazardous spill or to reach the ADEQ Emergency Response Duty Officer, call (602) 771-2330 or toll free (800) 234-5677. You may also contact Todd Perry at (520) 770-3125 - Main, (520) 260-2835 - Cell or (602) 645-8365 - Pager.
Arizona Department of Environmental Quality
Southern Regional Office
400 West Congress Street, Suite 433
Tucson, Arizona 85701
(520) 628-6733 - General Information
(888) 271-9302 - Toll Free
(520) 628-6745 - Fax
SRO Directory
Map and Directions
Compliance Programs
The Compliance Programs Unit is responsible for serving its regional customers in the following ways:
- Ensuring that permitted and non-permitted air pollution sources meet the Clean Air Act and state statutes and requirements.
- Issuing open burn permits for those areas without local control.
- Ensuring that public water systems deliver potable water to their customers in accordance with the Safe Drinking Water Act and state requirements.
- Ensuring that wastewater treatment facilities, including alternative on-site systems, are constructed and operated safely without harm to the public or environment in accordance with the Clean Water Act and state requirements.
- Ensuring that southern Arizona's water ways are protected from pollutants in stormwater runoff in accordance with the Clean Water Act and state requirements.
- Providing community outreach and technical and compliance assistance.
- Reviewing construction plans, issuing some pre- and all post-construction approvals, and conducting construction inspections for consistency with applicable rules.
- Monitoring U.S./Mexico border infrastructure impacts, participating in multi-agency water/wastewater project development and implementation, and meeting with various agencies and jurisdictions on Border Environment Cooperation Commission (BECC) infrastructure projects and Operation and Maintenance assessments.
Plan of Action for Improving Air Quality in Ambos Nogales
Plan de Acción para Mejorar la Calidad del Aire en Ambos Nogales
See also:
Air Quality Inspections and Compliance
Safe Drinking Water
Water Quality Inspections and Enforcement
Water Quality Permits

Community Liaisons
Two Community Liaisons support the Southern Regional Office. The Southeast Arizona Community Liaison offers assistance to Cochise, Graham, Greenlee and Santa Cruz counties, and the Southwest Arizona Community Liaison offers assistance to La Paz and Yuma counties. They conduct broad outreach within the regions they serve and may assist/educate the regulated community and general public on ADEQ requirements and services.

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