BACKFLOW PREVENTION DEVICES
Backflow Prevention For Commercial and Residential Buildings and Irrigation Systems
Our plumbing technicians are licensed and certified to install, repair, replace, and test Backflow Prevention Devices for residential, commercial and industrial systems.
Backflow from private sources, irrigation, soda machines, commercial and industrial processing and manufacturing water flow back into domestic water systems is prohibited.
Knowledgeable About State and Local Regulations on Backflow Prevention

Backflow Prevention Testing
Each state, county and city may have different regulations governing how backflow prevention systems are installed and inspected, and Treasure Valley Plumbing and Drain Service is prepared to handle those issues.
The State of Oregon requires all commercial and industrial entities on city water systems, as well as all residential homes on City water systems, to have a Backflow Prevention Device installed and inspected according to the regulations.
All devices MUST be tested annually.
- Residential—
- Irrigation systems
- Commercial and Industrial—
- Processing
- Manufacturing
- Soda Machines
Commercial Buildings—All Oregon commercial buildings using city water are required to have a backflow prevention device on their systems. This includes soda and pop machines. The backflow prevention devices are required to be tested by a Certified Backflow Technician, and Treasure Valley Plumbing and Drain Service is your Backflow testing specialist. We also install, repair and replace such devices.
Residential Buildings and Irrigation—All Oregon residences within city limits or connected to city water are required to have a Backflow Prevention Device on their irrigation systems, and are required to be tested annually by a Certified Backflow technician. We are licensed, bonded, and certified to take care of all of your Backflow needs, including installation, repair, replacement, and testing.
Contact us with your residential or commercial Backflow Prevention Device needs.
