TriCo Regional Sewer Utility

The official website of TriCo Regional Sewer Utility

Customer Service

Administrative staff manage customer service matters including billing, permitting, inspections, and locates. TriCo currently serves over 16,000 customers in Boone, Hamilton, and Marion Counties. We are located at 7236 Mayflower Park Drive, Zionsville, IN 46077.
For a list of customer service questions, please refer to the department FAQs.  If you are unable to find an answer to a specific question, feel free to submit your question directly to the Customer Service Department by completing the Submit Billing Questions or provide Feedback link.  If you prefer, you can call the office at 317-844-9200 with your questions.  We are open Monday-Friday, from 7:30 a.m. to 4:00 p.m.
If you have a comment, concern, or sanitary sewer emergency, we want to know.
For after-hour sewer, emergencies call 317-844-9200.

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