What matters here
San Jose Water repeatedly names irrigation systems as common cross-connections that can pull residential and commercial properties into the program.
Irrigation
San Jose Water Cross-Connection Control and Backflow Program irrigation backflow rules
San Jose Water repeatedly names irrigation systems as common cross-connections that can pull residential and commercial properties into the program.
Utility: San Jose Water Cross-Connection Control and Backflow Program
Last verified: 2026-04-05
Due basis: San Jose Water says testing and recordkeeping are required on all backflow preventers at least once a year, and customers contacted by the Cross-Connection and Backflow Program are expected to act when a hazard survey identifies the need for protection.
Highlights
- Irrigation systems are directly named as cross-connection hazards.
- Hazard surveys drive whether protection is required on the service.
- Annual testing and recordkeeping still apply once the assembly is required.
Workflow
Workflow
- Confirm the irrigation setup has been flagged by San Jose Water's hazard review.
- Install the approved assembly if required.
- Keep the irrigation backflow device on its annual testing cycle.
Residential
- San Jose Water is unusually usable for residential pages because it publicly says it offers testing support for both commercial and residential customers.
- Single-family demand usually shows up through irrigation, pools, or another identified hazard.
Commercial and managed properties
- Commercial intent is strong because the utility runs hazard surveys and keeps a list of locations with the greatest need for backflow devices.
- Fire services and some domestic services are explicitly called out.
Tester routing
No public tester route is live for this utility yet. Stay on the official program path and confirm the scope directly with the utility.
FAQ
Local questions people actually ask
Does San Jose Water Cross-Connection Control and Backflow Program require annual backflow testing?
At least annually. San Jose Water says testing and recordkeeping are required on all backflow preventers at least once a year, and customers contacted by the Cross-Connection and Backflow Program are expected to act when a hazard survey identifies the need for protection.
Who is affected by San Jose Water Cross-Connection Control and Backflow Program backflow rules?
Commercial and residential properties, fire services, irrigation systems, and other San Jose Water customers whose properties create actual or potential cross-connection hazards.
How do I submit or confirm a backflow test for San Jose Water Cross-Connection Control and Backflow Program?
Use the official utility workflow and submission methods listed on this page: San Jose Water backflow page, San Jose Water backflow brochure. Program phone: 408-279-7872.
Where should I look for testers for San Jose Water Cross-Connection Control and Backflow Program?
No public tester directory is live for this utility yet. Use the official utility page first and do not infer approval from a generic directory.
Official sources
San Jose Water backflow page
San Jose Water repeatedly names irrigation systems as common cross-connections that can pull residential and commercial properties into the program.
official program page
San Jose Water backflow brochure
San Jose Water repeatedly names irrigation systems as common cross-connections that can pull residential and commercial properties into the program.
official brochure
San Jose Water Rule 16
San Jose Water repeatedly names irrigation systems as common cross-connections that can pull residential and commercial properties into the program.
utility rule