Directions to TriCo Regional Sewer Utility Directions to 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 | map Drew Williams (317) 844-9200 | fax: (317) 844-9203 Visit Site Get directions to: TriCo Regional Sewer Utility, 7236 Mayflower Park Drive, Zionsville IN Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed!