PHCC Academy of San Diego offers backflow certification classes designed to help licensed tradespeople and new testers get certified and stay compliant with California's updated requirements.
Backflow certification is a credential that qualifies you to test, inspect, and in some cases repair backflow prevention assemblies — the mechanical devices installed on water systems to stop contaminated water from reversing direction and entering the clean drinking water supply.
Without a certified tester, a property cannot legally document that its backflow device is working correctly. For commercial properties, irrigation systems, fire sprinkler supply lines, and multi-family buildings throughout San Diego, annual testing by a certified tester is required by state law.
Backflow certification in San Diego is not a full plumbing license. It's a specific, specialized credential that authorizes you to test and service these assemblies and submit test results to the water authority on the property owner's behalf.
Yes. California Code of Regulations Title 17 requires all backflow prevention assemblies on public water systems to be tested annually. Only certified backflow assembly testers can perform those tests and submit official results.
Starting July 2026, the California State Water Resources Control Board requires all backflow assembly testers to hold certification from a state-recognized program. By July 2027, those programs must also carry ANSI accreditation — affecting every tester working anywhere in California, including San Diego.
In San Diego specifically, the City of San Diego Cross-Connection Control and Backflow Prevention Program maintains an approved list of certified backflow testers. To appear on that list and legally test within the city's jurisdiction, your certification must come from an accepted organization. Backflow certification in San Diego is not optional for anyone doing this work in the local market.
Several groups of people benefit from getting backflow certification in San Diego.
If you hold a C-36 or C-20 license, adding backflow certification lets you offer annual testing as a recurring revenue stream that keeps customers coming back every year.
Irrigation systems are one of the most common locations for backflow assemblies. Contractors who install or service irrigation lines can expand their scope significantly once certified.
Fire sprinkler supply lines require backflow assemblies and annual tests. Certification lets you handle the full scope of compliance work on a job site without subcontracting it out.
San Diego has thousands of commercial and residential properties that require annual tests. A certified tester with a well-managed route can build a consistent, predictable client base.
San Diego water authorities recognize backflow tester certifications from three main organizations.
The California-Nevada Section of the American Water Works Association offers a Backflow Prevention Assembly Tester Certification widely accepted throughout San Diego County.
The American Backflow Prevention Association is a nationally recognized certifying body. ABPA certification is accepted by the City of San Diego and most water authorities in the county.
The American Society of Sanitary Engineers also offers a backflow tester certification accepted by some San Diego jurisdictions.
PHCC Academy offers training designed to prepare you for the AWWA and ABPA exams. Check the PHCC Academy programs page to see which certification tracks are currently available.
One important note: requirements can vary between the City of San Diego, the San Diego County Water Authority, and individual water districts. Always confirm which certifications your specific service area accepts before you sit for an exam.
Backflow certification classes in San Diego prepare you to pass a proctored exam and perform field tests correctly from day one. Most courses include hands-on practice with actual assemblies before the exam.
You learn what cross-connections are, how changes in water pressure can cause flow reversal, and why these events are a public health risk.
The two main types are reduced pressure assemblies and double check valve assemblies. You learn how each works, where each is required by code, and what a passing versus failing test looks like.
You learn how to use a differential pressure gauge, how to conduct a complete test on an assembly, and how to accurately document and file your results with the water authority.
Some courses cover how to identify components that need repair or replacement after a failed test, and how to work with the property owner on compliance.
Your training covers Title 17 regulations, reporting deadlines, record-keeping rules, and the SWRCB certification requirements that took effect in 2026.
Much faster than a full apprenticeship. The Backflow Prevention Assembly Tester Certification Course at PHCC Academy of San Diego consists of 40 hours of classroom instruction from experienced industry professionals, taught across multiple sessions so working contractors don't have to step away from the job for a full week straight.
Once you pass the exam, you apply to be added to the City of San Diego's approved tester list or the relevant water authority list for your area.
Backflow testing fees in San Diego typically range from $65 to $150 per test for residential assemblies, and higher for commercial properties with multiple devices. Certified testers who build a regular client list can service many properties in a single day.
For licensed plumbers already running a service business, adding backflow certification in San Diego creates a recurring income stream that requires minimal materials and very little heavy labor — you test the device, file the report, and move to the next job.
Independent testers who focus specifically on backflow can build an efficient route-based business. San Diego has a large and growing number of commercial properties, irrigation systems, and multi-unit residential buildings, all of which require annual testing by law. For contractors holding a C-36 or C-20 license, backflow certification in San Diego is one of the cleanest ways to increase revenue without adding significant overhead.
No. In California, a plumbing contractor license is not required to earn a backflow tester certification.
That said, most people pursuing backflow certification in San Diego are already working in plumbing, HVAC, irrigation, or fire protection. The field testing process requires you to work safely with plumbing assemblies under pressure, so someone with no trade background will find the hands-on portion of the training and exam more difficult.
If you're newer to the trades and want to build a broader foundation first, PHCC Academy also offers plumbing apprenticeship programs and individual trade courses that make backflow training much easier to absorb. Visit the PHCC Academy programs page to see all available options.
Getting backflow certification in San Diego through PHCC Academy means training with an organization embedded in San Diego's trades industry, not a national provider running standardized courses from a distance.
PHCC San Diego represents licensed plumbing and HVAC contractors throughout the county. Members actively hire certified backflow testers and use them as subcontractors for annual testing routes — training here puts you in front of contractors who are looking for certified testers in this specific market.
The course is built to help you pass the AWWA exam on your first attempt, not just log contact hours. Your exam date is scheduled at course completion, and the AWWA exam fee is already included.
You work with actual backflow assemblies before the exam. Field testing on live equipment is where most candidates struggle, and PHCC Academy addresses that directly.
San Diego water authorities have specific requirements for tester lists, report filing deadlines, and renewal. Instructors know these requirements from working in this market.
Courses are structured for working contractors, not full-time students. See the PHCC Academy courses page for formats and available dates.
Register for the next Backflow Prevention Assembly Tester Certification Course and start building a recurring service into your business.
Questions? Contact us or call (858) 693-3855.
