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  4. Prequalified Engineering Firms

Prequalified Engineering Firms

  • AD Engineering Services, Inc.
  • AECOM Technical Services, Inc.
  • Arcadis U.S., Inc.
  • Barge Design Solutions, Inc.
  • Black & Veatch Corporation
  • Burns & McDonnell Engineering Company, Inc.
  • Cannon & Cannon, Inc.
  • CDM Smith, Inc.
  • Croy Engineering, LLC
  • CTI Engineers, Inc.
  • George Butler Associates, Inc. (GBA)
  • GRW, Inc.
  • Hazen and Sawyer
  • HDR, Inc.
  • Jacobs Engineering Group, Inc.
  • James C. Hailey & Company
  • LDA Engineering
  • LJA Engineering, Inc.
  • OHM Advisors
  • Ragan-Smith-Associates, Inc.
  • Stantec Consulting Services, Inc.
  • Terracon Consultants, Inc.
  • TWM, Inc.
  • W.K. Dickson & Co., Inc.
  • Wood Environment & Infrastructure Solutions, Inc.


  1. Prequalified Engineering Firms
  2. Qualified Master Plumbers
  • Your Sewer Bill
  • Pay My Bill
  • PSLP/SLP
  • Construction
  • Contact Us
  1. Phone
    Weekend and after-hours sewer emergency hotline. Phone: 423-209-6408
Hamilton County Water & Wastewater Treatment Authority

Contact Information

  1. Hamilton County WWTA    |    Development Resource Center
    1250 Market Street, Suite 3050    |    Chattanooga, TN 37402
    Phone: 423-209-7842    |    Fax: 423-209-7843
    Sewer Billing: 423-209-7808  |  wwta@hamiltontn.gov

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