Backflow preventers are devices that prevent
water from moving backward, which greatly reduce the risk of water
contamination. Backflow preventers are necessary on many commercial and
industrial locations such as hospitals, greenhouses, car washes, schools, and
factories. They are also used in
If your backflow preventer is connected to the
public water system, it must pass an annual inspection by a licensed backflow
All customers are required to have vacuum breakers installed
on their outdoor faucets.
Commercial customers are required to submit annual
certifications. Reminder letters are mailed out about 30 days before the device
is due for inspection. The due date is always on the first business day of the month,
a year after a device’s last inspection date.
If you have an irrigation system, the backflow
preventer must be tested and pass an annual inspection. Most irrigation
companies offer testing services.
Fees for this service will vary according to
the testing company, the device(s) tested and whether any repairs are needed.
Backflow Prevention Device Certification