Who regulates water operators in Louisiana?
Louisiana Department of Health, Operator Certification Program administers the credentials covered here.
Certification types
- Water Production
- Water Treatment
- Water Distribution
- Wastewater Treatment
- Wastewater Collection
Certification levels / grades / classes
Louisiana uses Classes 1-4.
Initial certification requirements
First-time applicants use LDH exam registration, then meet applicable education, experience, and examination requirements.
Exam information
LDH publishes an exam schedule, category-specific guidance, and registration paths.
Renewal cycle
Two-year cycle. Current cycles: A-J, January 1, 2026-December 31, 2027; K-Z, January 1, 2025-December 31, 2026.
Continuing-education requirements
Wastewater: at least 16 approved hours. Water: at least 16 hours, or 8 hours per water certificate held, whichever is greater.
Water vs. wastewater differences
Water includes production, treatment, and distribution; wastewater includes treatment and collection.
Relevant training options
Determine the hours and category you need, then verify current course acceptance.
Still need eligible continuing-education hours?
Explore Louisiana approved-course options →Affiliate disclosure: Water Operator Guide may earn a commission if you purchase through this link.
Official forms and sources
Last verified: August 25, 2026. Confirm current details with the applicable authority.