Does City of Modesto Cross-Connection and Backflow Control Program require annual backflow testing?

Upon installation and at least annually thereafter for protected assemblies. Modesto runs a utility-side cross-connection program and exposes a certified tester list from the official page.

How do I submit or confirm a backflow test for City of Modesto Cross-Connection and Backflow Control Program?

Use the official utility workflow and submission methods listed on this page: Modesto backflow program. Program phone: 209-342-2246.

Where should I look for testers for City of Modesto Cross-Connection and Backflow Control Program?

Start with the governing authority's published tester list. This utility has an official approved-tester route and it should be treated as the primary source.

What should I check before scheduling a tester for City of Modesto Cross-Connection and Backflow Control Program?

Confirm the due basis, property type, device type, and submission method before booking. Then open the official tester-list route, and make sure the report can be filed through the required utility or portal path.

What costs or portal fees should I expect for City of Modesto Cross-Connection and Backflow Control Program?

Testing is market-priced, but the main local value is clarity around the city-certified tester path. Repair and retest cost depends on the assembly and hazard class. The strongest signal is the official utility workflow, not a posted retail fee.

Fire-line city route

Modesto fire-line backflow testing

The same city-owned program still supports larger protected services.

Open fire-line workflow Utility requirements Request local help

City: Modesto Utility: City of Modesto Cross-Connection and Backflow Control Program Cadence: Upon installation and at least annually thereafter for protected assemblies Last verified: 2026-06-29

Local answer

What to check for Modesto

The same city-owned program still supports larger protected services.

Due basis: Modesto runs a utility-side cross-connection program and exposes a certified tester list from the official page.
Who is affected: Modesto services with irrigation, commercial, industrial, or other cross-connection risk.
Program phone: 209-342-2246

Evidence-backed next step

Use the governing utility workflow

City search demand maps directly to Modesto's governing cross-connection and backflow program.

Open fire-line workflow View the official tester list

Local signals

Signals that matter before you act

Commercial and industrial risk language is explicit.
The certified tester path is public.
Utility-owned compliance language is stronger than generic FAQs.

Workflow

Modesto workflow order

Confirm the service class and device type.
Use a certified tester.
Submit the result through the city-recognized workflow.

Official source trail

Source-backed utility record

Modesto is a useful California city because the official utility page exposes the program and a certified tester list.

Modesto cross-connection and backflow control program official utility page

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