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California Is Expanding Documentation Rules for FDC Connections
July 7, 2026
California Is Expanding Documentation Rules for FDC Connections
Your fire protection system passed its backflow test again this year. The technician left, the pass certificate is in your files, and as far as you're concerned, that's the whole compliance picture. But the backflow test itself was never the entire requirement, it's one entry in a much larger file your water purveyor is now required to keep, review, and produce on demand. Under California's Cross-Connection Control Policy Handbook, water systems statewide are maintaining recordkeeping programs that go well beyond a single pass/fail result, and property owners who think a clean test report is the finish line are missing most of what the state is actually asking for. Before your next test cycle, here's your guide to what California's cross-connection recordkeeping rules actually require and where the gaps usually show up.
What to Do Right Now
- Ask your water purveyor what they have on file for your property, and not just for your backflow assembly. Hazard assessments, device inventories, and prior repair records are all part of the same file, and gaps anywhere in it can flag your account.
- Keep your own copy of every field test report, repair record, and replacement notice for your property's backflow assemblies. Don't rely solely on your water purveyor's records. The Handbook requires your water system to maintain these, but a property-side copy protects you if there's ever a discrepancy.
- Confirm your fire protection system's backflow assembly is correctly logged with its type, manufacturer, model, size, installation date, and serial number. An assembly that's tested but poorly documented in the purveyor's inventory can still create compliance friction.
- Hire a licensed fire protection specialist to audit your backflow compliance records, not just test the device, especially if your property has changed hands, been renovated, or had a fire system serviced by more than one contractor over the years.
The Test Result Was Never the Whole File
Many property owners assume that once a backflow prevention assembly passes its annual field test, the compliance record for that device is essentially just the pass certificate. In reality, California's Cross-Connection Control Policy Handbook requires public water systems to maintain a much broader recordkeeping file for every backflow prevention assembly under their program: the associated hazard or application, the device's location, owner, type, manufacturer, model, size, installation date, and serial number, in addition to the field test results themselves. Field test results, repair dates, and tester certification numbers must be kept on file for the previous three calendar years, along with records of any repairs, replacements, or relocations of the assembly over that same period. A passing test result sitting next to an incomplete device record doesn't satisfy the requirement, the whole file has to be current and complete.
Hazard Assessments Aren't a One-Time Formality
It's common for property owners to think of the hazard assessment, the evaluation of what risk a given connection poses to the drinking water system, as something that happens once, when a fire line or backflow assembly is first installed, and then never needs to be revisited. In reality, the Handbook requires water systems to keep the two most recent hazard assessments on file for every user premise, not just the original one, and to reassess a property whenever there's a change in account holder, a reconnection to the water system, evidence of a change in activities or materials on-site, or a prior backflow incident. If your property has changed ownership, been renovated, or had a change in occupancy since its last assessment, the older hazard assessment on file may no longer reflect what your water purveyor is required to have documented, a gap that surfaces at the worst possible time, during an inspection or a compliance review.
Recordkeeping Now Extends to Who Did the Work, Not Just What Was Done
Property owners often focus entirely on the test result itself and assume that's the piece of information regulators actually care about. In reality, the Handbook specifically requires water systems to retain the name and certification number of the backflow prevention assembly tester for every field test on file, for the previous three calendar years. That means the credentialing of the person who did the work is now a permanent part of your property's compliance record, not a detail that disappears once the test is complete. If a tester's certification is later revoked, including for falsifying results, a water system that can't produce that tester's certification number for a prior test on your property has a documentation gap that traces directly back to your file.
LIABILITY WARNING: Under the Cross-Connection Control Policy Handbook, all recordkeeping required of a public water system, hazard assessments, device inventories, test and repair histories, and tester certification records, must be made available to the State Water Resources Control Board upon request. Noncompliance with the Handbook can result in the State Water Board issuing compliance, enforcement, or other corrective actions against the water system, and water purveyors retain the authority to require corrective action at individual properties, including service disconnection, when required records or protections aren't in place.
Keeping Your Property's File Clean
Staying ahead of this isn't about doing more paperwork yourself, it's about hiring a backflow testing and compliance service that generates records matching what your water purveyor's program actually requires. When you work with Hedrick Fire Protection, our technicians document your fire protection system's backflow assembly with the manufacturer, model, size, and serial number your water purveyor's inventory requires, file test results with our certification numbers attached, and flag when a hazard reassessment may be due based on changes at your property. Your file stays complete on both sides of the relationship, not just on ours. If you're not sure your current records would hold up to a water purveyor's review, we can run a compliance check alongside your next scheduled test.
Is your property's backflow recordkeeping actually as current as your last passing test suggests? Don't assume a clean test result means a clean file. Click here to contact the Fire Sprinkler Service Team at Hedrick Fire Protection to schedule your backflow test and compliance record review today.