Small Wastewater 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.
California State University, Sacramento (CSUS) Foundation, Office of Water Programs
- Advanced Waste Treatment
- Industrial Waste Treatment, Volume I
- Manage for Success
- Operation and Maintenance of Wastewater Collection Systems, Volume I and Volume II
- Operation of Wastewater Treatment Plants, Volume I and Volume II
- Pretreatment Facility Inspection
- Treatment of Metal Wastestreams
- Utility Management
- Water Treatment Plant Operation, Volume I
Water Environment Federation (WEF)
*This WEF text replaces the previous WEF title, Operation of Municipal Wastewater Treatment Plants – Manual of Practice No. 11
**This WEF text replaces the previous WEF titles, Operation of Nutrient Removal Facilities
Regulations
- United States: Code of Federal Regulations, Title 40
- American Public Health Association (APHA), American Water Works Association (AWWA), and Water Environment Federation (WEF): Standard Methods for the Examination of Water and Wastewater
- U.S. state regulations (contact information for state certification programs is available on the OpCert Program Contacts page)
- Canadian provincial and territorial regulations (contact information for state certification programs is available on the OpCert Program Contacts page)
For more information, review the Small Wastewater 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.
