Doh 331 109 2026

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The document outlines the Waterworks Operator Certification Program Guideline, which provides comprehensive information on the certification process for waterworks operators and backflow assembly testers in Washington State. It details system requirements, operator duties, education and experience prerequisites, certification fees, compliance enforcement, and professional growth requirements. The guideline serves as a resource for water system purveyors and operators to ensure safe and effective operation of public water systems.

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Click ‘Get Form’ to open it in the editor.
Begin by reviewing the introduction section, which outlines the purpose of the DOH 331 109 form and its relevance to waterworks operators.
Fill in your contact information accurately in the designated fields. Ensure that all details are current to avoid any communication issues.
Proceed to Section 1, where you will need to provide information about your water system. This includes system classification and compliance details.
In Section 2, detail your qualifications as a waterworks operator. Include education, experience, and any certifications you hold.
Complete Section 3 if applicable, which pertains to backflow assembly testers. Provide necessary certification details.
Review all entered information for accuracy before submitting. Use our platform's editing tools to make any necessary adjustments.

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