- State Water Resources Control Board (SWRCB)
- Water Environment Federation (WEF)
- California Water Environment Association (CWEA)
- Santa Ana River Basin Section of California Water Environment Association (SARBS)
- American Water Works Association (AWWA)
- American Water Works Association (AWWA)- Water Use Efficiency Practitioner Certification
- American Water Works Association (AWWA) – Backflow Cross Control Certification
- American Water Works Association (AWWA) – Cross Connection Specialist Certification
- Certification Exam Dates
