Southern Regional Office (SRO)

State mapADEQ'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.

Two Community Liaisons support SRO. 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.

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.

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Office Location

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

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