BackflowNear Test-Due Reminder

City of Maryville Water and Sewer Department: backflow testing rules

Serves Maryville (Blount County). Every point below comes from City of Maryville Water and Sewer Department's own pages, linked; check your notice for your own deadline.

Who must test

  • Residential lawn irrigation backflow preventers are tested at least annually by the water department. Source.
  • Residential and commercial irrigation backflow preventers are inspected annually. Source.

Notices and deadlines

  • Municipal Code requirement per the 2020 notice; re-inspection fees apply when not installed or in service. Source.
  • 2022 notice lists areas where inspections begin the first week of May. Source.

Fees

  • Previously a $55 one-time fee; commercial fees depend on device size and are also billed over 12 months. Source.
  • Charged to the customer's utility account. Source.

Program

  • The department posts yearly news notices about its inspections. Source.

Read October 6, 2026. Program page: maryvillegov.com.

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