Information for the License:

Water Treatment Operator

Licensing Agency:

Agency or Department Name:  State Water Resources Control Board
Board or Council Name:  Division of Financial Assistance
Division Name: Drinking Operator Certification Program
Telephone:  (916) 449-5611
Agency Web Address:

License Description:
     (Always confirm this information with the licensing agency.)

Persons operating potable water treatment facilities must be certified.

Water treatment 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:  Exams are given twice yearly for treatment (May and November).

Exam Locations: Fresno, Los Angeles, Redding, Sacramento, San Bernardino, San Diego, San Jose, Santa Barbara, Vallejo.

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.