What companies does the Arizona Corporation Commission regulate?
The Arizona Corporation Commission is the regulatory authority with jurisdiction over private water and wastewater companies as well as investor-owned utilities. Municipal water and wastewater systems ("City of") are regulated by the city or town council
and do not fall under our jurisdiction. Similarly, water improvement districts are governed by the county in which they operate.
What other agencies have jurisdiction over running a reliable water system?
Two divisions within the Arizona Department of Environmental Quality (ADEQ) have regulatory authority. ADEQ's Waste Programs Division deals with solid waste treatment and disposal, and
therefore is concerned with wastewater systems. ADEQ's Water Quality Division has responsibility of ensuring the safety of drinking water from public water systems and, County health authorities also oversee public health issues associates with
water and wastewater systems.
How does a water or wastewater company get to serve a particular area?
Companies that wish to provide water or sewer service are granted something called a Certificate of Convenience & Necessity (CC&N), which allows them to serve customers within a geographic area specified by a legal description of the property.
In considering an application for a CC&N, the Commission will determine if the applicant is fit and proper to provide service within a specified area and if that service is necessary and in the public interest. Once a CC&N is granted, the
utility falls under the Commission's jurisdiction and must abide by the rules and laws by which a public utility operates. (See Arizona Administrative Code R14-2-402 and R14-2-602 for more about CC&N applications)