November 08, 2018 02:16 Updated Follow Sewer utilities are facing stricter environmental mandates and are allowed to recover the costs of meeting those mandates through rates. The OUCC's Understanding Sewer Rates fact sheet (http://www.in.gov/oucc/2420.htm) offers more information. Related articles What is the difference between the OUCC and the IURC? Why does the utility change my budget billing amount every now and then? Who approves sewer rates?