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Water and Wastewater Division

The Commission’s primary responsibility regarding water and wastewater utilities is to regulate rates and charges and the quality of service for the utilities under its authority. Proceedings before the Commission can be complex, sometimes taking 12 to 18 months to complete. These proceedings include, but are not limited to, rate changes (through base rate cases, distribution system improvement charges, and periodic trackers), certificates of territorial authority for not-for-profit and investor-owned utilities, acquisitions, service area matters, and conservation initiatives.

Below you will find rate comparison data, utility tariffs, 30-day filings, lists of jurisdictional and withdrawn utilities, industry reports, links to federal resources, and administrative materials and forms for regulated utilities.

To contact the Water and Wastewater Division with any questions or to request copies of utility tariffs and annual reports submitted by regulated utilities, please call 317-232-2785.

Rates, Charges, Rules, and Regulations

Jurisdictional Utilities

Water | Wastewater | Water & Wastewater

Withdrawn Utilities

Indiana Water Industry Reports

  • Water Utility Resource Report (2013) – Indiana Utility Regulatory Commission | PDF
  • Water Utility Resource Report (2014) – Indiana Utility Regulatory Commission | PDF
  • Indiana’s Water Shortage Plan (March 2015) – Indiana Department of Natural Resources | PDF
  • Evaluation of Water Utility Planning in Indiana (Oct. 2015) – Indiana Finance Authority | PDF
  • Financial Needs for Water and Wastewater Infrastructure in Indiana (2015-2034) (Nov. 2016) – Indiana Advisory Commission on Intergovernmental Relations | PDF
  • Evaluation of Indiana’s Water Utilities (Nov. 2016) – Indiana Finance Authority | PDF
  • Indiana Faces Significant Funding Gap for Water Infrastructure Over Next 20 Years (Feb. 2017) - Indiana Advisory Commission on Intergovernmental Relations | PDF
  • Southeastern Indiana Regional Water Supply (Jan. 2018) – Indiana Finance Authority | PDF
  • Final Report - Water Infrastructure Task Force (Nov. 2018) – Water Infrastructure Task Force | PDF
  • More Than 11,000 Wastewater Failures Reported in Indiana's Unsewered Communities (Mar. 2019) - Indiana Advisory Commission on Intergovernmental Relations | PDF
  • IFA-Central Indiana Water - Supply Needs (June 2020) | PDF
  • IFA-Central Indiana Water - Availability Report (Jan. 2021) | Link

Federal Resources

Resources for Small Utilities

Administrative Materials and Forms

Additional Resources

For additional resources about the water and wastewater industries and utility regulation, please click here.