TriCo Regional Sewer Utility TriCo Regional Sewer Utility Search | Advanced Search | New Members | Coupons and Discounts | All Categories Government & Education >> Government TriCo Regional Sewer Utility 7236 Mayflower Park DriveZionsville, IN 46077 | View on Google Maps Drew Williams (317) 844-9200 | fax: (317) 844-9203 Visit Site Member Since: 1993 Send a message to: TriCo Regional Sewer Utility Your Name: Your Email: Subject: Message: (Date: 11/5/2025)