Cases involving the following utilities are pending before the IURC:
- American Suburban Utilities (Tippecanoe County)
- Bloomington Municipal Water Rates
- Citizens Energy Group (Marion County)
- Community Utilities of Indiana (Lake, Porter, Jasper, & Newton Counties)
- Crossroads Utilities (Formerly LMH Utilities, Dearborn County)
- Indiana American Water Co.
- Fort Wayne Water Rates
- Lafayette Water Rates
- L.M.S. Conservancy District (Dearborn County)
- Mapleturn Utilities (Morgan County)
- Michigan City Water Rates
- Mishawaka Regulatory Ordinance
- Monrovia Regulatory Ordinance
- Southern Monroe Water Authority Rates
- Southwestern Bartholomew Water Corp. Rates
- Washington Township Water Corp. (Monroe County)
The following municipal water utilities are under IURC jurisdiction:
- Anderson
- Austin & Scottsburg Municipal Sewer Ordinances
- Bloomington
- Brown County Water Utility
- Cedar Lake
- Chandler
- Columbus
- East Chicago
- Elkhart
- Ellettsville
- Evansville
- Everton Water Corp. (Fayette & Union Counties)
- Fort Wayne
- Lafayette
- Lizton
- Marion
- Martinsville
- Michigan City
- New Castle
- Princeton
- Schererville
- South Bend
More than 370 additional municipal water utilities have withdrawn from IURC jurisdiction as allowed by Indiana law. Rates and charges for those utilities are established by the locally elected city and town councils.
However, municipal utilities may seek IURC approval of ordinances giving them exclusive service territories outside city and town boundaries. Recent cases include:
Non-municipal water and sewer utilities under IURC jurisdiction include (but are not limited to) the following:
- American Suburban Utilities (Tippecanoe County)
- Apple Valley Utilities (Lake County)
- Aqua Indiana
- B & B Water Project (Monroe County)
- Brown County Water Utility
- Cataract Lake Water Authority (Owen & Putnam Counties)
- Citizens Energy Group (Marion County)
- Citizens Wastewater of Westfield
- Citizens Water of Westfield
- Clinton Township Water Co. (Vermillion County)
- Community Utilities of Indiana (Lake, Porter, Jasper, & Newton Counties)
- Crossroads Utilities (Formerly LMH Utilities, Dearborn County)
- Damon Run Conservancy District (Porter County)
- Doe Creek Sewer Utility (Hancock County)
- Driftwood Utilities, Inc.
- East Lawrence Water Authority
- Eastern Bartholomew Water Corp.
- Eastern Heights Utilities (Greene County)
- Eastern Richland Sewer Corp. (Monroe County)
- Edwardsville Water Corp.
- Everton Water Corp. (Fayette & Union Counties)
- Floyds Knobs Water Corp.
- German Township Water District (Vanderburgh & Posey Counties)
- Gibson Water Authority
- Granger Water Utility
- Hamilton Southeastern Utilities
- Hillview Estate Subdivision (Bartholomew County)
- Howard County Utilities
- Indiana American Water Co.
- Jackson County Water Utility
- J.B. Waterworks (LaPorte County)
- Kingsbury Utility Corp. (LaPorte County)
- L.M.S. Conservancy District (Dearborn County)
- Marysville-Otisco-Nabb Water Corporation
- Mapleturn Utilities (Morgan County)
- Morgan County Rural Water Corp.
- North Dearborn Water Corp.
- Pence Water Works (Warren County)
- Pioneer Water (Allen County)
- Pleasantview Utilities (Fayette County)
- St. Anthony Water Utilities (Dubois County)
- Sanitary District of Hammond
- Shady Side Drive Water Corp. (Monroe County)
- Silver Creek Water Corp. (Clark & Floyd Counties)
- South County Utilities (Lake County)
- Southern Monroe Water Authority
- Southwestern Bartholomew Water Corp.
- Stucker Fork Conservancy District
- Sugar Creek Utility (Hancock County)
- Tri-Township Water Corp. (Dearborn & Franklin Counties)
- Van Buren Water, Inc. (Monroe County)
- Washington Township Water Corp. (Monroe County)
- Wastewater One (Floyd County)
- Webster Development (Howard County)
- Wells Homeowners Association (Miami County)
