Every year, over 10,000 cases of backflow contamination are reported in the United States, with some cases resulting in serious health risks. Here in Seattle, where we pride ourselves on our pristine water quality, backflow prevention is more than just a regulatory requirement—it’s a crucial safeguard for our community’s health and safety. This is why Advanced Irrigation offers 24/7 backflow service to our customers throughout the Puget Sound.
Understanding Backflow: A Critical Public Safety Issue
As a leader in irrigation backflow testing, Seattle homeowners trust Advanced Irrigation to explain these crucial safety measures in clear terms. Backflow occurs when water flows in the reverse direction through your plumbing system, potentially introducing contaminants into the clean water supply. In Seattle’s residential areas, common contamination sources include:
- Lawn irrigation systems with fertilizers and pesticides
- Swimming pools and hot tubs
- Garden hose attachments with cleaning chemicals
- Underground sprinkler systems
Washington State regulation (WAC 246-290-490) mandates annual backflow testing for all properties with cross-connection control devices. This isn’t just bureaucratic red tape—it’s a vital public health measure that protects your family and neighbors from potentially harmful contamination.
When Is Backflow Testing Required?
Annual testing is mandatory, but there are several other situations that necessitate immediate testing:
- Immediately after new device installation
- Following any repairs or maintenance
- After suspected backflow incidents
- When requested by your water provider
- Before reactivating seasonal irrigation systems
Types of Backflow Prevention Devices
Different properties require different types of backflow preventers based on their specific risks and uses:
Reduced Pressure Backflow Assemblies (RPBA)
- Used in high-hazard applications
- Provides maximum protection
- Requires comprehensive testing of relief valve operation
- Must be installed 12 inches above grade
Double Check Valve Assemblies (DCVA)
- Typically used in low-hazard situations
- More common in residential applications
- Requires testing of both check valves
- Suitable for most irrigation systems
Pressure Vacuum Breakers (PVB)
- Common in irrigation systems
- Must be installed 12 inches above the highest sprinkler head
- Simpler design but still requires annual certification
- Not suitable for back-pressure situations
The Testing Process Explained
At Advanced Irrigation, our professional backflow testing involves several critical steps:
- Visual inspection of the device and installation
- Testing of all check valves and relief valves
- Verification of proper pressure differentials
- Documentation of test results
- Submission of reports to local water authorities
Common Issues Discovered During Testing
Throughout the Puget Sound, regular testing often reveals problems that could compromise your system’s safety:
- Failed internal seals
- Debris accumulation
- Improper pressure readings
- Frozen or damaged components
- Installation height violations
Maintaining Compliance Year-Round
To ensure continuous protection and compliance:
- Schedule annual testing well before due dates
- Keep records of all test reports
- Address any repairs promptly
- Monitor for signs of malfunction
- Consider signing up for automatic annual testing programs
- Choose a professional team that offers 24/7 backflow service
Professional vs. DIY Considerations
While some maintenance tasks can be performed by homeowners, backflow testing must be conducted by certified professionals. For irrigation backflow testing, Seattle regulations specifically require certified professionals with current BAT certification and proper equipment. State law requires testers to:
- Hold current BAT (Backflow Assembly Tester) certification
- Use annually calibrated testing equipment
- Submit official documentation to water purveyors
- Maintain proper insurance and licensing
The Cost of Non-Compliance
Failing to maintain proper backflow testing can result in:
- Water service disconnection
- Municipal fines
- Liability issues if contamination occurs
- Increased repair costs from undetected issues
- Potential health risks to your community
Protecting Your Investment
Regular backflow testing is a small investment in protecting both your property and public health. Professional testing typically costs less than potential repairs or fines and provides peace of mind knowing your water supply is safe.
Taking Action: 24/7 Backflow Service
While you could wait until the last minute with our 24/7 backflow service, it’s best you don’t wait for a notice from your water purveyor. Schedule your annual backflow testing with a certified professional who understands Seattle’s specific requirements and challenges. Remember, this isn’t just about compliance—it’s about protecting your family and community’s water supply.
Contact Advanced Irrigation at 1-888-833-6220 to schedule your backflow testing with our certified professionals. We serve the entire Puget Sound region, from Tacoma to Everett.
