TN operator guide

Tennessee Water & Wastewater Operator Certification

Water Treatment 1-4; Wastewater Treatment 1-4; Distribution 1-2; Collection 1-2; Small Water System; Biological/Natural System.

RegulatorTennessee Department of Environment and Conservation, Board of Water and Wastewater Operator Certification / Fleming Training Center
CoverageWater Treatment 1-4 · Wastewater Treatment 1-4 · Distribution 1-2 · Collection 1-2 · Small Water System · Biological/Natural System.

Who regulates water operators in Tennessee?

Tennessee Department of Environment and Conservation, Board of Water and Wastewater Operator Certification / Fleming Training Center administers the credentials covered here.

Visit the official agency →

Certification types

  • Water Treatment 1-4
  • Wastewater Treatment 1-4
  • Distribution 1-2
  • Collection 1-2
  • Small Water System
  • Biological/Natural System.

Certification levels / grades / classes

Water Treatment 1-4; Wastewater Treatment 1-4; Distribution 1-2; Collection 1-2; Small Water System; Biological/Natural System.

Initial certification requirements

Meet education/experience, submit notarized CN-0704 at least 60 days before exam, obtain Board approval, then pass PSI certification exam at 70% or higher.

Exam information

Meet education/experience, submit notarized CN-0704 at least 60 days before exam, obtain Board approval, then pass PSI certification exam at 70% or higher.

Renewal cycle

Certificates renew annually and expire December 31; CE operates on three-year periods: 6 hours for Grades 1-2, distribution/collection, Small Water and Biological/Natural; 12 hours for treatment Grades 3-4.

Continuing-education requirements

Certificates renew annually and expire December 31; CE operates on three-year periods: 6 hours for Grades 1-2, distribution/collection, Small Water and Biological/Natural; 12 hours for treatment Grades 3-4.

Reciprocity / out-of-state operators

Board may grant without exam for a comparable out-of-state classification where that state's requirements are equal to or greater than Tennessee's.

Water vs. wastewater differences

Water Treatment 1-4; Wastewater Treatment 1-4; Distribution 1-2; Collection 1-2; Small Water System; Biological/Natural System.

Official forms and sources

Last verified: August 25, 2026. Confirm current details with the applicable authority.