License: Distribution System Operator

Persons making decisions regarding the quantity or quality of the water in a potable water distribution system must be certified. Water distribution operators employed by community or nontransient-noncommunity water systems. Fees: The fee varies with the level of certification. Grade; Exam; Certification; Renewal D1/T1: $50; $70; $70 D2/T2: $65; $80; $80 D3/T3: $100; $120; $120 D4/T4: $130; $140; $140 D5/T5: $155; $140; $140 Examination Frequency: Operator Certification examinations, T1-T4 are Computer Based and are available year-round. Exam Locations: Distribution Operator Certification Computer Based Exams are available at more than 30 sites throughout California. Experience Requirement: Varies with certification level. Contact the Operator Certification unit or review the Operator Certification Regulations for specific information. Applicant must meet exam requirements, pass exam, and then meet certification requirements. Average Time to Process Application: Three months. Renewal Period: Three years. Special License Requirements: N/A Comments: New Operator Certification Regulations were adopted on January 1, 2001. Authority: Health and Safety Code, Division 104, Part 1, Chapter 4, Article 3, Sections 106875-106910.

  • Registry
  • State exam required
  • No education required
  • Continuing education required
  • Experience required
  • No criminal record requirements
License information updated 06/02/2022