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.

Tester city route

Modesto approved backflow testers

Use this page when the search or notice says approved, certified, registered, or authorized backflow tester for Modesto.

View the official tester list 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

Use this page when the search or notice says approved, certified, registered, or authorized backflow tester for Modesto.

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.

View the official tester list View the official tester list

Local signals

Signals that matter before you act

Open the Modesto certified tester list from the official program page
Confirm tester status on the governing list before treating a provider as approved.
Use the utility workflow for deadlines, report acceptance, and submission requirements.

Workflow

Modesto workflow order

Check whether the property is inside Modesto's program.
Use a certified tester from the official city path.
Complete the test or retest.
Keep the city's accepted compliance record current.

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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