257 CMR 2.11
Operator Descriptions
Assistant Chief Operator - Grade 1-4 facilities. The person in direct responsible charge during
the absence of the Chief Operator. Certification required for this position may be one grade
below the grade of the plant.
Assistant Chief Operator - Grade 5, 6, and 7 facilities. The person in direct responsible charge
during the absence of the chief operator. Certification required is equal to the grade of the plant.
Chief Operator - In all plants, the person in overall direct responsible charge of the wastewater
treatment facility at all times. The certification required for this position is equal to the grade
of the plant.
Shift Operator - In all plants, the person in direct responsible charge of a particular shift at a
wastewater treatment facility. The certification required for this position is based upon the job
duties and responsibilities assigned and determined by the points accrued on one's particular
shift. Total points shall not include those for laboratory and BOD, or other units not in operation
on the assigned shift.
Weekend Operator - The person in direct responsible charge of the weekend operation of a
wastewater treatment facility. The certification required for this position is based upon the job
duties and responsibilities assigned and determined by the points accrued on one's particular
weekend shift. Total points shall not include those for laboratory and BOD or units not
operational on weekends.