WASTEWATER TREATMENT
OPERATOR SOLUTION TOTAL
COMPREHENSIVE EXAM QUESTIONS
ACCURATE ANSWERS
◉ Certification Process. Answer: Certification is obtained by meeting
minimum education and experience requirements, submitting the
appropriate forms and fee, and passing the certification examination
with at least a 70%.
◉ Class I. Answer: Wastewater treatment plant with a design
capacity of ≤50,000 GPD.
◉ Class II. Answer: Wastewater treatment plant with a design
capacity of 50,001 GPD to ≤ 2,000,000 GPD.
◉ Class III. Answer: Wastewater treatment plant with a design
capacity of 2,000,001 to ≤ 7,500,000 GPD.
◉ Class IV. Answer: Wastewater treatment plant with a design
capacity ≥ 7,500,001 GPD.
◉ Education Substitution. Answer: Education in environmental
engineering, environmental technology, and biological, physical, or
, chemical sciences shall be substituted if it does not exceed fifty (50)
percent of the required experience.
◉ Associate Degree Substitution. Answer: An associate degree may
substitute for two (2) years of experience.
◉ Baccalaureate Degree Substitution. Answer: A baccalaureate
degree may substitute for four (4) years of experience.
◉ Contact Hours Substitution. Answer: Ten (10) contact hours, one
(1) Continuing Education Unit, or one (1) postsecondary education
quarter hour with a passing grade shall substitute for 0.022 years of
experience.
◉ Semester Hour Substitution. Answer: One (1) postsecondary
education semester hour with a passing grade shall substitute for
0.033 years of experience.
◉ Class I Requirements. Answer: High School Diploma or GED and
one (1) year of acceptable operation of a wastewater treatment
plant.
◉ Class II Requirements. Answer: High School Diploma or GED and
two (2) years of acceptable operation of a wastewater treatment
plant.
OPERATOR SOLUTION TOTAL
COMPREHENSIVE EXAM QUESTIONS
ACCURATE ANSWERS
◉ Certification Process. Answer: Certification is obtained by meeting
minimum education and experience requirements, submitting the
appropriate forms and fee, and passing the certification examination
with at least a 70%.
◉ Class I. Answer: Wastewater treatment plant with a design
capacity of ≤50,000 GPD.
◉ Class II. Answer: Wastewater treatment plant with a design
capacity of 50,001 GPD to ≤ 2,000,000 GPD.
◉ Class III. Answer: Wastewater treatment plant with a design
capacity of 2,000,001 to ≤ 7,500,000 GPD.
◉ Class IV. Answer: Wastewater treatment plant with a design
capacity ≥ 7,500,001 GPD.
◉ Education Substitution. Answer: Education in environmental
engineering, environmental technology, and biological, physical, or
, chemical sciences shall be substituted if it does not exceed fifty (50)
percent of the required experience.
◉ Associate Degree Substitution. Answer: An associate degree may
substitute for two (2) years of experience.
◉ Baccalaureate Degree Substitution. Answer: A baccalaureate
degree may substitute for four (4) years of experience.
◉ Contact Hours Substitution. Answer: Ten (10) contact hours, one
(1) Continuing Education Unit, or one (1) postsecondary education
quarter hour with a passing grade shall substitute for 0.022 years of
experience.
◉ Semester Hour Substitution. Answer: One (1) postsecondary
education semester hour with a passing grade shall substitute for
0.033 years of experience.
◉ Class I Requirements. Answer: High School Diploma or GED and
one (1) year of acceptable operation of a wastewater treatment
plant.
◉ Class II Requirements. Answer: High School Diploma or GED and
two (2) years of acceptable operation of a wastewater treatment
plant.
