Annual testing
Open the annual page when the utility notice is about routine testing, timing, and accepted submission methods.
Modesto is credible because the city program and certified tester path live on the same official utility surface.
This page is the rule hub. Use it to confirm the governing utility workflow, then open the focused page that matches the actual situation on site.
Open the annual page when the utility notice is about routine testing, timing, and accepted submission methods.
Open the failed-test page when the device already failed and you need the repair, retest, and reporting order.
Open the irrigation page when the question is tied to sprinkler systems, reclaimed water, or landscape devices.
Open the fire-line page when the backflow assembly serves fire protection equipment or a managed commercial site.
Use the published tester route after you confirm the rule, due basis, and submission path on this utility page.
Modesto services with irrigation, commercial, industrial, or other cross-connection risk.
Missing the city-recognized tester path can leave the assembly outside Modesto's accepted compliance workflow.
Every focused page on this utility still runs through this authority sequence. Confirm the rule here before you branch into repair, testing, or provider routing.
Modesto is a useful California city because the official utility page exposes the program and a certified tester list.
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.
Modesto services with irrigation, commercial, industrial, or other cross-connection risk.
Use the official utility workflow and submission methods listed on this page: Modesto backflow program. Program phone: 209-342-2246.
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.
Start with the governing authority's published tester list. Use provider help only after the official rule, due basis, and submission path are clear.
Typical testing and repair pricing used to frame next-action decisions in the metro around this utility.
Provider routing stays clearly labeled below the official workflow. This block exists to frame public provider discovery without implying authority status.