Backflow Assemblies & Testing

Backflow Prevention Assembly

Purpose:
Backflow prevention assemblies are installed to prevent water from flowing backward into the main water supply, which could cause contamination.

Common Types of Backflow Prevention Assemblies:

  1. Reduced Pressure Zone (RPZ) Valve

  2. Testable Double-Check Valve

Testing Requirements:

  • When:

    • Upon installation

    • Annually thereafter

  • Who Can Test:

    • A licensed plumber certified by the Illinois EPA as a Cross Connection Device Inspector (CCDI)

  • Who Pays:

    • The property owner is responsible for all costs, including testing and any necessary repairs.

  • Test Report Submission:

    • The tester must send signed test results to BSI, Inc. within 5 calendar days of the test.

    • Acceptable submission: Mail or high-quality scan by email

    • Testers should provide proof of submission to the property owner.

Consequences for Non-Compliance:

  • Missed Deadline:

    • If results aren't received by the end of the due month, a 2nd notice is sent, requiring compliance within 30 days.

  • Further Action May Include:

    • Fines: Minimum $50, up to $500 per day

    • Water service termination until compliance is met