What matters here
The same city-owned program still supports larger protected services.
Fire line
City of Modesto Cross-Connection and Backflow Control Program fire line backflow rules
The same city-owned program still supports larger protected services.
Utility: City of Modesto Cross-Connection and Backflow Control Program
Last verified: 2026-04-05
Due basis: Modesto runs a utility-side cross-connection program and exposes a certified tester list from the official page.
Highlights
- Commercial and industrial risk language is explicit.
- The certified tester path is public.
- Utility-owned compliance language is stronger than generic FAQs.
Workflow
Workflow
- Confirm the service class and device type.
- Use a certified tester.
- Submit the result through the city-recognized workflow.
Residential
- Residential demand is strongest where irrigation or another protected service exists.
- This is a utility compliance page, not generic homeowner plumbing content.
Commercial and managed properties
- Commercial value is strong because Modesto uses a city-owned program and tester path.
- This page has a real next action instead of city-blurb SEO.
Tester routing
Use the governing authority's official tester list first, then only treat any sponsor placement as secondary routing.
FAQ
Local questions people actually ask
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.
Who is affected by City of Modesto Cross-Connection and Backflow Control Program backflow rules?
Modesto services with irrigation, commercial, industrial, or other cross-connection risk.
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.