• Home
  • Irrigation
  • Water Treatment
  • Landscape Lighting
  • Plumbing
  • Pumps
  • Backflow
  • Maintenance
  • More
    • Home
    • Irrigation
    • Water Treatment
    • Landscape Lighting
    • Plumbing
    • Pumps
    • Backflow
    • Maintenance
Learn More
  • Home
  • Irrigation
  • Water Treatment
  • Landscape Lighting
  • Plumbing
  • Pumps
  • Backflow
  • Maintenance
Learn More
Protect Your Water Supply.

Backflow Prevention

Backflow prevention protects drinking water from contamination caused by unwanted reverse flow. Water Systems provides professional testing, installation, repair and replacement for residential and commercial properties.

Book Backflow Service

Complete Backflow Services

Testing, installation and repairs from one experienced contractor.


Whether you require routine testing, have a failed device or need a new backflow preventer installed, we provide complete service and explain exactly what your system needs.

Backflow Testing

New Installations

New Installations

Professional testing of testable backflow prevention devices to verify that the assembly is operating correctly.


New Installations

New Installations

New Installations

Proper installation of backflow prevention assemblies for irrigation, plumbing and applicable commercial systems.

Repairs

New Installations

Replacement

Troubleshooting and repair of assemblies that leak, fail testing or are no longer operating correctly.


Replacement

Seasonal Protection

Replacement

Replacement of damaged, obsolete or uneconomical devices with appropriately selected new equipment.

Seasonal Protection

Seasonal Protection

Seasonal Protection

Inspection and coordination with irrigation winterization to help protect outdoor assemblies from freeze damage.

System Assessment

Seasonal Protection

Seasonal Protection

Review of plumbing or irrigation connections to help determine the appropriate prevention approach.

Why Backflow Prevention Matters

Clean water should only flow in one direction.

Changes in water pressure can allow water from irrigation systems, equipment or other connected systems to move backward toward the drinking-water supply. A properly installed and maintained backflow preventer creates a critical barrier.

Protect drinking water

Complete system knowledge

Complete system knowledge

Help prevent non-potable water from entering the potable water system.

Complete system knowledge

Complete system knowledge

Complete system knowledge

We understand the plumbing and irrigation systems connected to the device..

Identify problems early

Verify device performance

Verify device performance

Leaks and worn components can often be addressed before complete failure.

Verify device performance

Verify device performance

Verify device performance

Testing confirms internal components are functioning as intended. 

Why Choose Water Systems

Backflow knowledge backed by plumbing and irrigation experience.

Because backflow devices are connected to larger water systems, understanding the surrounding installation matters just as much as testing the device itself..

Certified Expertise

Certified Expertise

Certified Expertise

Backflow certification supported by professional plumbing and irrigation knowledge.

Complete Diagnosis

Certified Expertise

Certified Expertise

We look at valves, piping, irrigation connections and pressure conditions—not only the assembly.


Honest Recommendations

Honest Recommendations

Honest Recommendations

If repair makes sense, we explain that option before recommending replacement.


Dependable Service!

Honest Recommendations

Honest Recommendations

Clear scheduling, professional workmanship and a two-year workmanship warranty.

One Complete Water Solutions

Backflow is connected to more than one trade. We understand the complete system.


A backflow problem may involve irrigation piping, plumbing, pressure conditions, valves or winterization. Instead of coordinating several contractors, Water Systems can assess the complete connection and provide one coordinated solution.

  • Backflow Testing
  • Plumbing
  • Irrigation
  • Repairs
  • Winterization
  • New Installations

Our Process

Professional service from inspection to final verification.


We keep the process straightforward and explain any issues found before additional repair work is completed.

Identify the Device

Identify the Device

Identify the Device

We review the assembly, installation and application before beginning testing or service.


Inspect & Test

Identify the Device

Identify the Device

The device is visually inspected and tested using appropriate procedures and equipment.


Explain the Results

Explain the Results

Explain the Results

If it fails or needs attention, we explain the issue and available options.

Repair & Verify

Explain the Results

Explain the Results

Approved work is completed and the system is retested or checked for proper operation.

Frequently Asked Questions

Please reach us at qwwatersystems@gmail.com if you cannot find an answer to your question.

Backflow is an unwanted reversal of water flow that can allow water from a connected system to move toward the potable water supply.


Testable devices contain internal components that can wear, become fouled or fail. Testing verifies operation at the time of the test.


Yes. We provide backflow testing and service for irrigation applications and can also address related irrigation-system issues.


We explain the failed condition and discuss repair or replacement options. After an approved repair, the device can be retested.


Yes. Water trapped inside outdoor assemblies can freeze and damage internal or external components, which is why seasonal winterization is important.


Need backflow testing, repair or installation?

Water Systems provides certified, professional service backed by plumbing and irrigation experience.

Book Backflow Service

Copyright © 2026 www.watersystems.ca - All Rights Reserved.

Powered by

This website uses cookies.

We use cookies to analyze website traffic and optimize your website experience. By accepting our use of cookies, your data will be aggregated with all other user data.

Accept