Very Small Water System Operator Exam References
The following are approved as reference sources for WPI’s very small water system operator examination. Operators should use the latest edition of these reference sources to prepare for the exam.
American Water Works Association (AWWA)
- *WSO: Water Distribution Series (Grades 1 & 2, Grades 3 & 4)
- **Water Quality & Treatment
- Water Distribution Operator Training Handbook
- Basic Science Concepts and Applications
- Water System Security, A Field Guide
- M68 Water Quality in Distribution Systems
*These WSO texts replace the previous AWWA title, Water Transmission and Distribution
**This WSO text replaces previous AWWA title, Water Quality, 3rd Edition
California State University, Sacramento (CSUS) Foundation, Office of Water Programs
- Water Distribution System Operation and Maintenance
- Small Water System Operation and Maintenance
- Utility Management
- Manage for Success
Regulations
- United States: Code of Federal Regulations, Title 40, Part 141
- U.S. state regulations (contact information for state certification programs is available on the OpCert Program Contacts page)
- Government of Canada (Federal-Provincial-Territorial Subcommittee on Drinking Water): Guidelines for Canadian Drinking Water Quality
- Canadian provincial and territorial regulations (contact information for state certification programs is available on the OpCert Program Contacts page)
For more information, review the Standardized Very Small Water System Operator Need-to-Know Criteria
Need-to-Know Criteria outline the content that will be covered on WPI’s standardized examinations provided through ABC Testing, a WPI service.