1200 W. Washington Street

Phoenix, AZ 85007-2927


Phoenix Office: (602) 542-4251


Tucson Office: (520) 628-6550


Toll Free In-State Only:

1-(800) 222-7000


Email: UtilitiesDiv@azcc.gov

The use of inappropriate or threatening language when submitting a complaint to the above email may result in your comments not being docketed and no action taken regarding your comments


Small Water Ombudsman Office

Mission Statement:  To assist small water companies in interpreting and navigating the Corporation Commission rate case, financing and compliance processes, and to help small water companies in the evaluation of long term infrastructure and acquisition planning.

Small Water Ombudsman Office Function:  To educate, provide guidance and assistance regarding recordkeeping, assembly of information for rate case and financing applications and to provide technical review of water system needs and compliance requirements for safe, effective small water company operation and maintenance.

Some of the ways the ACC Ombudsman Office can assist you include:

  • ACC/ADEQ/ADWR compliance issues
  • Filing a rate or financing application
  • Identifying and recommending corrective action for engineering issues
  • Planning of long-term infrastructure needs
  • Billing and operational improvements

Ombudsman Program Overview (Presentation)

Helpful Links:

Applications and Forms


Arizona Department of Environmental Quality (ADEQ) http://www.azdeq.gov/

Arizona Department of Water Resources (ADWR) http://www.azwater.gov/AzDWR/

Arizona Water Resources (AWA) http://www.azwater.org/

Rural Water Association of Arizona (RWAA) http://www.rwaa.info/


Environmental Finance Center (EFC) https://efc.sog.unc.edu/project/utility-financial-tools

Accrual vs. Cash Accounting
Accounting 101
Following NARUC Uniform System of Accounts
Rate Base

Accrual vs. Cash Accounting
Accounting 101
Following NARUC Uniform System of Accounts
Rate Base


Water Infrastructure Finance Authority of Arizona (WIFA) http://www.azwifa.gov/

Rural Water Infrastructure Committee (RWIC) http://www.rwic.net/

Resource Matrix

Call or email the ACC Small Water Ombudsman Office for more information.

(602) 542-2556


Stay Connected

Check here to sign up for Consumer Alerts from the Corporation Division. To receive alerts for your business register at eCorp.azcc.gov.Please call 602-542-3026 with questions for the Corporations Division.

Check here to sign up for Notices and Agendas for Commission Meetings, Hearings and Appearances.Please call 602-542-3931 with any questions.

Check here to receive the latest Commission News Releases and information. Please call 602-542-0728 with any questions.

Arizona Corporation Commission

1200 W. Washington Street

Phoenix, AZ 85007


Corporations Division

1300 W. Washington Street

Phoenix, AZ 85007


Tucson Office (Walk-ins only)

400 W. Congress Street

Tucson, AZ 85701