Backflow Tester List

State rules

Nevada

The Nevada Division of Environmental Protection tells public water systems that each backflow prevention assembly must be tested at least annually by a certified backflow prevention assembly tester. NAC 445A.6569, as quoted in NDEP’s March 2024 cross-connection guidance, defines that tester as a person certified to test assemblies by the California-Nevada Section of the American Water Works Association, the American Backflow Prevention Association, or an equivalent organization approved by the Division. NDEP says it does not maintain a list. The certifying agencies do. Customers must have service-protection assemblies tested as a condition of new or continued service, and they must submit the results.

Checked against official sources on October 11, 2026. Rules and links change; confirm with the office listed before you act.

Try a ZIP like 30303, “Travis County” or “Columbus, OH”
Drinking-water agency
The Nevada Division of Environmental Protection oversees cross-connection control programs and defines a certified backflow prevention assembly tester in NAC 445A.6569.
Who may test an assembly
A person certified by the California-Nevada Section of AWWA, by ABPA, or by an equivalent organization approved by the Division.
Official program page
Official page →

The guidance says assembly tests are required after installation of a new assembly, after repair, replacement, or relocation, after a backflow incident, and annually or more often if required. Sixty days before the anniversary, the template notice tells the customer by mail and email. The customer or owner arranges testing and any repair. NDEP says a person claiming to be certified should present a current certificate from one of the certifying agencies. It points to the AWWA California-Nevada Section credential lookup and to ABPA’s state lists. Those are the verification routes the guidance names. They are not NDEP-issued cards.

A cross-connection program approved by the Division or the appropriate district board of health must include a schedule, a plan for inspecting properties, a plan for testing and tracking primary assemblies that protect the system upstream of a service connection, annual testing, record retention, a list of assemblies that may be used, and enforcement measures. The program must also comply with the Uniform Plumbing Code, AWWA Manual M14, and the Manual of Cross-Connection Control as adopted in NAC 445A.6663, and the most stringent provision controls if they conflict. That adoption is about the program’s standards. The tester definition remains the NAC 445A.6569 sentence.

NDEP’s drinking-water operator certification is a different credential for people in responsible charge of treatment plants and distribution systems. The operator page does not say an operator certificate is a backflow-assembly tester certificate. A customer should ask for the AWWA California-Nevada, ABPA, or other Division-approved tester certificate. Tests are still required after installation, repair, relocation, a backflow incident, and at least annually. No state tester fee is stated in the guidance passages used here.

Official resources in Nevada

NDEP March 2024 cross-connection guidance

Quotes the certified-tester definition and says NDEP does not keep a tester list.

NDEP approved cross-connection regulations

Describes what an approved cross-connection program must contain, including annual testing of primary assemblies.

NDEP drinking water operator certification

Separate operator-certification program, not the backflow-assembly tester definition.

Key facts for Nevada

What to do next

  1. Ask to see a current certificate from AWWA California-Nevada, ABPA, or another organization NDEP has approved.
  2. Do not ask NDEP for a roster; the guidance says it does not keep one.
  3. Keep the 60-day notice and submit results to the water system, not only to the tester.
  4. Do not substitute a drinking-water operator certificate for the tester certificate.

Looking for your city or county in Nevada?

We haven't found official program-level pages for Nevada we can verify yet, so we don't show local numbers here rather than guess. Here's what to use instead, in order:

  1. General Start with the statewide information above. It applies across Nevada, but cities and counties can add their own steps, fees or deadlines.
  2. Call to confirm Ask the official office. They have the current local rule, fee and form.
    NDEP cross-connection control guidance
    Website →
    Phone not shown: use the contact page on the official website above.
    Your city or county office: Local governments →
    Not sure who handles it locally? USAGov's free help line, 1-844-872-4681, or the Nevada page on USA.gov can point you to the right office.
  3. Know the current info? Tell us and include a link to the official page. We check every tip before it goes up.

Helpful guides

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