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  • Grade III Operator Certification & Math Review RIVERSIDE

    Western Municipal Water District 16451 El Sobrante Rd., Riverside, CA, United States

    ENROLL IN THIS CLASS Course Description: This four-day course is directed to California Grades I and II certified wastewater treatment plant operators planning to take the California Grade IV or […]

    $825

  • Grades IV/V Operator Certification & Math Review RIVERSIDE

    Western Municipal Water District 16451 El Sobrante Rd., Riverside, CA, United States

    ENROLL IN THIS CLASS Course Description: This four-day course is directed to California Grades III and IV certified wastewater treatment plant operators planning to take the California Grade IV or Grade […]

    $825