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Riverside irrigation backflow testing

Riverside's public materials treat irrigation assemblies as part of the same utility protection program rather than a separate landscaping topic.

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City: Riverside Utility: Riverside Public Utilities Backflow Prevention Cadence: Upon installation and at least annually thereafter Last verified: 2026-06-29
Local answer

What to check for Riverside

Riverside's public materials treat irrigation assemblies as part of the same utility protection program rather than a separate landscaping topic.

  • Due basis: Riverside Public Utilities says each installed backflow device must be tested for proper operation at least annually, and it makes the customer responsible for following up with the contracted tester and assuring reports are submitted by the due date.
  • Who is affected: Commercial, industrial, irrigation, fire protection, and other Riverside service connections that the utility's cross-connection control program requires to have a backflow assembly.
  • Program phone: 951-351-6167
Local signals

Signals that matter before you act

  • Irrigation assemblies sit inside the same approved-tester and accepted-report workflow.
  • Customers are still responsible for report submission timing.
  • The FAQ and standards content make contractor and service-line work easier to route.
Workflow

Riverside workflow order

  1. Confirm the irrigation service requires a Riverside-approved assembly.
  2. Use an approved tester for the annual test or retest.
  3. Make sure the report reaches RPU and is accepted.