Report an Environmental Emergency

ADEQ's Environmental Emergency Response Unit is on call 24-hour a day, seven days a week to ensure that all environmental emergencies are promptly addressed. The unit works to minimize injuries, deaths, property damage and threats to the environment from chemical spills, fires, explosions and other pollutant releases. A spill of any quantity that impacts a waterway within Arizona must be reported. If in doubt, report the spill.  

How to Report a Spill

  • First, call 602-771-2330 or 800-234-5677 to report the spill.

  • After reporting the spill, call 602-390-7894 to report the environmental emergency.

For information regarding state reporting requirements, and when and whom to call, contact the Environmental Emergency Response Unit during normal business hours (8 a.m. – 5 p.m. MST) at 602-771-4163.


What is an Environmental Emergency?
  • Oil and chemical spills
  • Accidents causing release of pollutants
  • Radiological and biological discharges

In the case of an environmental emergency, call 602-390-7894.

What is Not An Environmental Emergency?
  • Illegal dumping
  • Strange tasting drinking water
  • Parked vehicle leaking fluid on a driveway
  • Excess dust from a field
  • Unpermitted dredging or filling of waters and wetlands
  • Illegal burns on private property

For these cases, please fill out our online environmental complaint form | Go to Form >