Skip to main content
Washington · Evergreen State

Washington Water & Wastewater Operator Continuing Education Requirements

Washington water & wastewater operators must complete 30 hours of board-approved continuing education every 3 years, as required by Washington State Department of Health, Office of Drinking Water (waterworks operators; professional growth administered by Washington Certification Services at Green River College) + Washington State Department of Ecology, Wastewater Operator Cert....

Applies to All licensees.

  • Built to State Rules
  • 100% Online
  • Instant Certificate
  • Money-back Guarantee
CE hours required
30 hours
per renewal 3 years
Renewal cycle
Every 3 years
License classes
All licensees
Exam to renew
Not required

Find your license class

The course Washington water & wastewater operators need

One course, planned to the exact hours and topics Washington State Department of Health, Office of Drinking Water (waterworks operators; professional growth administered by Washington Certification Services at Green River College) + Washington State Department of Ecology, Wastewater Operator Cert... requires.

  • 30 hours

    of board-approved CE every 3 years

    1 license class
    • All licensees

    Course for this class is in board review.

    Browse catalog

Required subject matter

Topics Washington water & wastewater operators must cover

Washington State Department of Health, Office of Drinking Water (waterworks operators; professional growth administered by Washington Certification Services at Green River College) + Washington State Department of Ecology, Wastewater Operator Cert... requires these subjects within your CE hours. Every course above is planned to include them.

  • Training must meet relevancy criteria: directly related to water system operation (DOH relevancy criteria) or wastewater operation (ABC/Professional Operator CEU Relevancy Criteria for Ecology); no specific mandatory subjects

How renewal works

From course to renewed license in Washington

  1. Step 1

    Pick the course for your license class

    Each course above is planned to the 30 hours and topics Washington State Department of Health, Office of Drinking Water (waterworks operators; professional growth administered by Washington Certification Services at Green River College) + Washington State Department of Ecology, Wastewater Operator Cert... requires.

  2. Step 2

    Complete it online, at your pace

    Timed lessons and checkpoints record your seat time so the hours hold up to an audit.

  3. Step 3

    Download your certificate instantly

    Your certificate lists the approved hours and completion date the moment you pass.

  4. Step 4

    Renew with the board

    Keep your certificate — the board verifies completion on renewal or audit. Then renew every 3 years through the board.

Renewing soon? Read the step-by-step guide: How to renew your Washington water & wastewater operator license.

Questions Washington water & wastewater operators ask

Frequently asked questions

How many continuing education hours do Washington water & wastewater operators need?
Washington water & wastewater operators must complete 30 hours of board-approved continuing education every 3 years, as set by Washington State Department of Health, Office of Drinking Water (waterworks operators; professional growth administered by Washington Certification Services at Green River College) + Washington State Department of Ecology, Wastewater Operator Cert....
What topics are required for Washington water & wastewater operators continuing education?
Washington State Department of Health, Office of Drinking Water (waterworks operators; professional growth administered by Washington Certification Services at Green River College) + Washington State Department of Ecology, Wastewater Operator Cert... requires coverage of: Training must meet relevancy criteria: directly related to water system operation (DOH relevancy criteria) or wastewater operation (ABC/Professional Operator CEU Relevancy Criteria for Ecology); no specific mandatory subjects.
Can Washington water & wastewater operators complete continuing education online?
Yes. Board-approved online courses count toward the Washington requirement; timed seat-time and completion records satisfy audit requirements.

Official Washington water & wastewater operators licensing resources

Requirements on this page come from Washington State Department of Health, Office of Drinking Water (waterworks operators; professional growth administered by Washington Certification Services at Green River College) + Washington State Department of Ecology, Wastewater Operator Cert...’s published rules and were last verified on September 4, 2026. Always confirm your renewal date with the board.

Why Washington professionals choose us

Washington water & wastewater operators CE, done right

Every water & wastewater operators course is built to meet Washington State Department of Health, Office of Drinking Water (waterworks operators; professional growth administered by Washington Certification Services at Green River College) + Washington State Department of Ecology, Wastewater Operator Cert... requirements so the credit you earn actually counts toward your renewal.

Built to the board rule

Every course is planned to the exact hours and mandated topics the state publishes, so the credit you earn counts toward renewal.

Instant certificate

Finish the assessment and download your certificate of completion the moment you pass — no waiting.

Credit reported for you

Where the board supports it, we report your earned CE hours directly so you do not have to.

Learn at your own pace

Work on any device, start and stop anytime. Your progress saves automatically as you go.

More trades in Washington

Other Washington continuing education

Browse CE for other licensed trades in Washington.

Renew your Washington water & wastewater operators license on time

30 hours every 3 years — completed online, with an instant certificate and a money-back guarantee.