Cross Connection Control/Backflow Prevention

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The Oviedo City Council passed Ordinance No. 976, which created the City's Cross Connection Control and Backflow Prevention Program.  This action was required by federal and state regulations and is mandatory for all public drinking water systems.

The Cross Connection/Backflow Prevention Division is responsible for the facilitation of this program.  The Divisions duties include:

  • Surveys and inspections of over 4,000 water service connections annually
  • Annual testing of over 2,000 residential back flow preventers
  • Changing out over 2,000 dual checks annually
  • Monitoring the testing of over 1,500 commercial backflow preventers annually
  • Performing inspections of new water service for cross connection compliance

The Cross Connection Control Division, working in conjunction with the Water Distribution and Water Production Divisions, takes appropriate measures on a daily basis to ensure the safety of the drinking water that is supplied through the water distribution system. This means that our customers can be assured that each and every time they turn on the faucet, the water they are drinking is safe.

What is a cross connection?

A cross connection is any actual or potential connection between a public water supply and any source of contamination.  It is a link through which possible harmful substances can enter the drinking water system. 

It is the Cross Connection Control/Backflow Prevention Division's responsibility to help safeguard against these hazards.  If you have any questions/or concerns regarding cross connections or you suspect you or a neighbor may have a cross connection issue, you may contact the City's Cross Connection Control Supervisor at 407-971-5693.


During freezing weather it is important to protect your above ground backflow prevention assembly... Read More

Cross Connnection & Backflow FAQs

I currently irrigate my lawn with potable water.  What do I need to do to switch my irrigation to reclaimed water if it is available in my neighborhood?

If reclaimed water is available in your neighborhood and you would like to switch your irrigation system to reclaim water... read more.   You may also call the City's Cross Connection Control Supervisor at 407-971-5693.

What is a backflow preventer?

A backflow preventer is a mechanical assembly or device designed to prevent backflow.  For more information and backflow preventor details, please click here.   For backflow preventer details via AutoCad, please click here.

Why does my backflow preventer have to be tested every year?

Mechanical backflow preventers have internal seals, springs, and moving parts that are subject to fouling, wear,and fatigue, which can lead to failure. Therefore, all backflow preventers must be tested with properly calibrated gauges and equipment at least once annually to ensure that they are functioning properly.

Where can I get more information about Cross Connection Control?

Additional information concerning Cross Connection Control can be obtained from your local Cross Connection department at 407-971-5693 or via e-mail at  You may also mail questions to City of Oviedo, Attention Cross Connection Control, 400 Alexandria Boulevard, Oviedo, FL 32765.