6 NYCRR Part 650 states that your operator certificate is valid for a period of five (5) years.
What are the renewal requirements?
During the five-year period which preceds the expiration date of your certificate, you must complete a minimum number of contact hours of NYSDEC-approved training related to the field of wastewater treatment. Only the most recent five (5) years of training will be considered for renewal. The number of contact hours you need depends upon the Grade of your certificate:
February 6-8, 2023