Section 13627.5 Of Chapter 9. Waste Water Treatment Plant Classification And Operator Certification From California Water Code >> Division 7. >> Chapter 9.

. (a) Any operator employed at a wastewater treatment plant described in paragraph (3) of subdivision (b) of Section 13625 shall pass any written examination that may be administered by the state board. Upon passage of the examination, the operator shall be credited with one year of experience for purposes of operator certification.
  (b) The state board may charge a reasonable fee for administering this section.