Distribution System Operator

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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. For additional information on Operator Certification, visit the links below: https://www.waterboards.ca.gov/water_issues/programs/operator_certification/docs/cbt_faqs.pdf https://www.waterboards.ca.gov/water_issues/programs/operator_certification/docs/cbt_process_overview.pdf 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.

Requirements reported by the state

Licence type
Registry

Issuing body

Division
Drinking Water Operator Certification Program
Board
State Water Resources Control Board
Address
PO Box 944212 Sacramento, CA
Last updated
May 22, 2024

Occupations (O*NET)

Source and verification

This record is California's report to the Analyst Resource Center, published by CareerOneStop (October 2024 export). Everything shown comes only from that report.

Before you apply, confirm every detail with State Water Resources Control Board — see the issuing body section above.

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