Study Guides & References


The program provides resources to achieve an understanding in areas for each classification that an operator or those desiring to be operators must possess to be prepared for the duties and challenges they will face as an operator.

For more information, select a classification from the options below.

Certification Exam Resources



The following are approved as reference sources for WPI’s standardized wastewater collection operator examinations. For more details, review individual Need-to-Know documents for each examination.

Exam References

Operators should use the latest edition of these reference sources to prepare for the exam.


Certification Exam Resources



The following are approved as reference sources for WPI’s standardized water distribution operator examinations. For more details, review individual Need-to-Know documents for each examination.

Exam References

Operators should use the latest edition of these reference sources to prepare for the exam.


Certification Exam Resources



Biological/Natural System Operator


The following are approved as reference sources for WPI’s standardized wastewater treatment operator examinations Grades I - IV. For more details, review individual Need-to-Know documents for each examination.

Exam References 

Operators should use the latest edition of these reference sources to prepare for the exam.


Certification Exam Resources




The following are approved as reference sources for WPI’s standardized water treatment operator examinations Grades I - IV. For more details, review individual Need-to-Know documents for each examination.

Exam References 

Operators should use the latest edition of these reference sources to prepare for the exam.


Contact Information

General Contact | Fleming Training Center
(615) 898-8090
Fleming.Training@tn.gov
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Location Information

Fleming Training Center
2022 Blanton Dr.
Murfreesboro, TN 37129

Monday - Friday
8:00 AM - 4:30 PM CST