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Grand Junction annual backflow testing

Grand Junction says PVBAs must be tested at installation, annually, and when moved or repaired.

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City: Grand Junction Utility: City of Grand Junction Backflow Prevention Program Cadence: At installation, annually, and when moved or repaired Last verified: 2026-06-29
Local answer

What to check for Grand Junction

Grand Junction says PVBAs must be tested at installation, annually, and when moved or repaired.

  • Due basis: Grand Junction says backflow preventers are required under Colorado drinking-water regulations and city resolution, and that PVBAs must be tested at installation, annually, and when moved or repaired.
  • Who is affected: Grand Junction homes, businesses, sprinkler systems, fire-sprinkler systems, and other services that could contaminate the public water supply if backflow protection is missing.
  • Program phone: 970-256-4101
Evidence-backed next step

Use the governing utility workflow

City search demand maps directly to Grand Junction's governing backflow prevention program.

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Local signals

Signals that matter before you act

  • Annual testing is explicit on the design-requirements page.
  • The city ties the rule to Colorado drinking-water regulations and a city resolution.
  • Home and business sprinkler systems are both named publicly.
Workflow

Grand Junction workflow order

  1. Confirm the assembly type and whether it serves home, business, or irrigation use.
  2. Complete the annual or post-repair test.
  3. Keep the device in working condition so contaminated water cannot re-enter the potable system.