Licenses and credentials
- - Water Treatment Operator
- - Water Distribution Operator
- - Wastewater Treatment Plant Operator
- - Environmental compliance roles
H2O
Design, Construction & Environment
California statewide coverage directory
Water and Environmental Operators: qualification, exams, and education
Operator certification exam preparation, contact-hour education, and environmental compliance training.
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Tell us the credential and timing you actually need. This records demand only; it does not enroll you or promise professional credit.
Regulated credentials
Who this California guide covers
What 101PD may provide
- - Water and wastewater operator exam preparation
- - Accepted contact hours
- - Environmental compliance development
Provider qualification route
How 101PD can become authorized
Obtain the applicable Water Board training-course acceptance for each operator program and separately evaluate other agency approvals.
Non-substitution boundary
What online training cannot replace
Every course must state the exact operator grade, agency, credit type, and approval status.
Planned catalog
California-only launch queue
Exam prep
California Water Treatment and Distribution Exam Prep
$0 / Free
Independent preparation only; it does not create exam eligibility or replace the regulator's application process.
Not yet enrollable
Exam prep
California Wastewater Operator Exam Prep
$0 / Free
Independent preparation only; it does not create exam eligibility or replace the regulator's application process.
Not yet enrollable
Continuing education
Water Operator Contact-Hour Library
$0 / Free
Credit remains unavailable until the required provider, sponsor, or course approval is documented.
Not yet enrollable
Official sources
Verify before acting
The regulator controls eligibility, fees, applications, examinations, and credit. These are the sources used for this page.
Research review date: July 22, 2026. Next review due October 22, 2026. Recheck required before activation.