Water Utility Math

Open Textbook Library

Inclludes water operator certification exam prep books and on-the-job training handbooks from the American Water Works Association. (AWWA).

International Center for Development of Science and Technology (ICDST)

Mount Empire Community College

Minnesota Pollution Control Agency

Tennessee State Government

Workforce LibreTexts

Workforce LibreTexts

American Water College

American Water Works Association

Rural Community Assistance Corporation