Water Distribution System Operator Certification Course Manual Developed by West Virginia Department of Health & Human Resources, West Virginia Environmental Training Center, and Operator Training Committee of Ohio, Inc. Return to Water Operator Library Download (PDF, 2.13MB) Share this page:Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to print (Opens in new window)Click to email a link to a friend (Opens in new window)
