Utilities Division

Water Utilities

All documents officially filed with the Corporation Commission must go through the Docket Control Center.  Below are instructions and applications to assist you.  We will be adding and updating these documents on an ongoing basis.

These files have been created using Adobe Acrobat.

Docket Control Center Filing Information (pdf)
Compliance Filings Instructions (pdf)

Water Outage Reporting Form (pdf)
Wastewater Outage Reporting Form (pdf)

Class C, D, and E Rate Review Form (pdf)

Finance Application (pdf)

Emergency Rate Procedure and Notice (pdf)

Companies with Annual Gross Operating Revenues (Including Requested Rate Relief) of Less than $1,000,000 - Word Version (Rules Updated 1/16/2015) Class D and E water utilities only.

Water Application

Wastewater Application

Companies with Annual Gross Operating Revenues (Including Requested Rate Relief) of Less than $1,000,000 - Excel Version (Rules Updated 1/16/2015) Class D and E water utilities only.

Water Application

Wastewater Application

Utilities with Annual Gross Operating Revenues (Including Requested Rate Relief) in Excess of $1,000,000 (pdf) (Rules Updated 1/16/2015)  This link will take you to the Arizona Secretary of State's website, Administrative Code R-14-2-103, which includes the appropriate application for Class A, B and C utilities.

In addition to the Appendix schedule formats, delineated in R-14-2-103.B.1, applications for Class A, B, or C utilities shall contain the following additional information.  This information is authorized pursuant to R14-2-103.B.5, which allows the Commission to request supplementary information in addition to that specifically required for A, B, C, or D utilities in R14-2-103.B.1.

1. The utility's most recent ADEQ annual sampling fee invoice for its Monitoring Assistance Program, if the water utility participates in the program.
2. The amount of water sold and the amount of water pumped during the last 12 months should be provided.  Please note if fire hydrants or fire flow is provided.  Interconnections with other private water systems or cities, and the capacity of those interconnections should be noted.  If the rate application includes multiple public water systems as defined by ADEQ, then the water use data should be specific to each of the public water systems.  A suggested format is included in the supplemental form link below.  This suggested format is illustrative and the applicant's specific formats may vary from that suggested below.  However, the substantive information must be contained in the applicant's schedules or forms.  For sewer utilities, please us the specific utility forms.
3. Please provide an inventory of the major plant in service.  If the rate application includes multiple public water systems as defined by ADEQ, then the inventory should be specific to each of the public water systems in this rate application.  Major plant in service includes, but is not limited to, surface water treatment plants, wells, groundwater treatment equipment (i.e. iron removal, disinfection, etc.), storage tanks, booster pumps, pressure tanks, distribution mains, and meters.  A suggested format is included in the supplemental form link below.  This suggested format is illustrative and the applicant's specific formats may vary from that suggested below.  However, the substantive information must be contained in the applicant's schedules or forms.  For sewer utilities, please us the specific utility forms.
4. If it has not been previously filed, the application should include a copy of the proposed curtailment tariff, and/or cross connection/backflow tariff.  Suggested formats for these two tariffs can be found in the form links, above.
5. Supplemental Forms for Class A, B and C utilities.

• Water Plant Inventory and Water Use Data Sheet (updated 11-2010) (pdf)
  
• Water Use Data Sheet (Updated 11-2010) (pdf)
  

The Rates and Charges contained in these documents reflect Staff's general recommendations.  Any specific submittal will be subject to Staff Review and recommendation, as well as Commission review, change, update and approval.

• Service Line Meter Installation Charges (pdf)
  
• Depreciation Rates (Water)
  

Compliance with Arizona Revised Statutes, Section 40-401.E:

A.R.S., Section 40-401, Paragraph E, requires that:

Each public service corporation with gross operating revenues greater than$500,000 shall on or before January 10, 2026, file with the Arizona Corporation Commission a statement showing its estimated gross operating revenues derived from intrastate operations during the preceding calendar year (2025).

Arizona Corporation Commission Decision No. 41725, requires that the State and Local Sales Taxes collected (or billed) be INCLUDED in Gross Operating Revenues used to determine regulatory assessments. However, Federal Excise Taxes billed or collected are NOT TO BE INCLUDED in Gross Operating Revenues.

Below link is information on how to complete and submit your form electronically:

Electronic Form Instructions (pdf)