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Backflow Prevention
Cross Connection Control Program
James Boyer
Industrial Waste Manager

Kurt Novy 
Industrial Waste Inspector

Mark Hassenflug
Industrial Waste Inspector

Flagstaff, AZ 86001

Ph: (928) 213-2117
Fax: (928) 226-4852

Monday - Friday
7:00 am - 3:30 pm

Flagstaff's water distribution system is designed to keep the water flowing from the distribution system to you, the customer. However, when hydraulic conditions within the system deviate from "normal" conditions, water flow can be reversed. When this backflow happens, contaminated water from homes or businesses can enter the water distribution system. The Cross Connection Control Program is in place to prevent contamination by backflow.  If the Industrial Waste Program has determined you may install a backflow prevention assembly in a location other than just downstream of the water meter, you will need to submit a Hold Harmless Agreement.  Please contact James Boyer for more information on how to receive approval for this variance and how to submit this agreement.

Backflow Report Submittal Change
Starting March 15, 2012, all backflow reports must be entered through BSI Online as the City of Flagstaff Industrial Waste Program will no longer receive backflow reports directly. Testers can phone BSI Online at (800) 414-4990 or view their website for more information on how to set up an account to enter backflow test results.

List of Backflow Testers

Links and Documents

Water Meter Lockout for Backflow Assembly Testing
In our continuing effort to ensure safe drinking water, we maintain compliance with the Arizona Department of Environmental Quality’s Operation Backflow Rules. All backflow prevention devices are to be tested and certified operational before water is turned on to downstream services.