IACET Accredited  ·  Sunnyvale, CA  ·  30+ Years

Get certified.
Protect clean water.

Hands-on in-person certification training for backflow technicians and cross-connection control specialists. Northern California.

Upcoming Classes

JUN 18
Specialty
Automatic Control Valve
12-hour course
Enroll
JUN 25
Refresher
Backflow Tester Refresher
6-hour course
Enroll
JUN 29
Certification
Cross-Connection Control Program Specialist
36-hour course
Enroll
JUL 6
Certification
Backflow Prevention Assembly Tester
40-hour course
Enroll
See all upcoming dates →

30+ years training

IACET Authorized Provider

CEU credits offered

Hands-on wetlab

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Student Portal

Access your courses, grades, and certificates from your student dashboard.

Register for a Class

Enroll in an upcoming certification course. Classes fill quickly — reserve your spot.

Have Questions?

Browse our FAQ for answers about backflow prevention, what to bring, and the AWWA.

Certification Programs

All courses include written exam prep and hands-on wetlab training.

Certification

Backflow Tester Certification

40-hour · Written Exam · Hands-On

Next: Jul 6
Certification

Cross-Connection Control Specialist

32-hour · Written Exam · Hands-On

Next: Jun 29
Refresher

Backflow Tester Refresher

6-hour · Written Exam · Hands-On

Next: Jun 25
Specialty

Automatic Control Valve

12-hour · Written Exam · Hands-On Training

Next: Jun 18

Hands-on training in our state-of-the-art wetlab

Why WITS

Over 30 years training California’s water workforce.

IACET Accredited

Internationally recognized. CEU credits accepted by water districts across California.

30+ Years Experience

One of California’s most established backflow and cross-connection training programs.

Hands-On Wetlab

Real backflow valve testing and assembly — not just classroom theory. Extra time available too.

Ready to get certified?

Classes fill quickly. Reserve your seat and start your career in water safety.