Call or book online to schedule your backflow testing with Horizon to stay compliant and protect your water supply.
Plumbing Services
Reliable Backflow Testing and Prevention Services
Contaminated water is a serious risk for homes and businesses. Horizon provides professional backflow testing and prevention in Delaware, Southeastern Pennsylvania, South Jersey, and parts of Maryland to ensure your water supply stays clean and safe.
24/7 emergency plumbing services
Licensed, insured plumbers
Upfront pricing with no surprises
Signs you may have backflow issues
Decrease in Water Quality
If your water has unusual tastes, smells, or colors, backflow could be introducing contaminants. Testing ensures your water remains safe for drinking and household use.
Decrease in Water Quality
Water Leaks
Backflow can put extra pressure on your pipes, potentially causing leaks throughout your plumbing system. Detecting and preventing backflow helps protect your pipes and keeps your water flowing safely.
Water Leaks
Water Pressure Fluctuations
Sudden changes in water pressure may trigger backflow events, risking contamination of your home’s water system. Detecting these issues early protects your family and plumbing.
Water Pressure Fluctuations
Slow Drainage
Backflow can prevent drains from working properly. If this happens, the drains will drain slower than normal. You may notice that water pools up for a while before it starts to drain at all.
Slow Drainage
Unexplained Plumbing Problems
Persistent clogs, water surges, or irregular flow patterns may indicate a backflow issue affecting your system. Early detection ensures safe water and avoids costly repairs.
Unexplained Plumbing Problems
Regulatory Requirements
Many local codes require routine backflow testing to maintain safe drinking water. Scheduling regular inspections keeps you compliant and ensures your system functions properly.
Regulatory Requirements
Professional backflow testing and prevention protects your water supply
Fast diagnosis and professional recommendations
Upfront pricing before plumbing work begins
Fully stocked service vehicles for faster repairs
Licensed and experienced plumbers
Backed by a satisfaction guarantee
Backflow occurs when water flows in the opposite direction in your plumbing system, potentially allowing contaminants to enter your clean water supply. This can happen due to pressure changes in municipal lines, irrigation systems, or fire sprinkler systems. Horizon provides certified backflow testing and prevention services in Delaware, Southeastern Pennsylvania, South Jersey, and parts of Maryland to keep your home or business water safe, clean, and compliant with local regulations.
Common backflow risks include:
Cross-connections between potable and non-potable water
Irrigation systems connected to household plumbing
Fire sprinkler systems in commercial or residential properties
Pressure fluctuations in municipal water lines
Testing and preventive measures ensure contaminants never enter your drinking water and protect your home or businesses’ plumbing system from damage.
Regular backflow testing ensures compliance and system reliability
Routine backflow testing offers multiple benefits:
Protects your family or customers from waterborne contaminants
Ensures compliance with local and state regulations
Identifies worn or failing components before problems occur
Maintains proper water pressure and flow throughout your plumbing
Provides documentation for inspections and municipal requirements
Professional testing helps you avoid costly repairs, health hazards, and potential fines from failing compliance checks.
Horizon provides complete backflow testing, repair, and prevention services
Our certified plumbers offer comprehensive solutions, including:
Certified backflow device testing to ensure proper operation
Backflow preventer installation for new systems or upgrades
Repairs and maintenance of failing or worn devices
Inspection of irrigation and plumbing cross-connections
Compliance documentation for local authorities
Each service is performed with precision and attention to detail to ensure your water system is fully protected.
Schedule your backflow testing service today
Whether you’re maintaining a residential or commercial property, professional backflow testing and prevention from Horizon in Delaware, Southeastern Pennsylvania, South Jersey, and parts of Maryland protects your water supply and ensures your plumbing system meets all local safety standards.
Contact us today to schedule an inspection, test, or device installation and safeguard your water.
Our plumbers are dependable, highly trained, and friendly
These qualities set our plumbers apart: expertise, reliability, and professionalism. We offer a 100% customer satisfaction guarantee because we believe in the quality of our work. Our world-class plumbers are:
Trained weekly in the latest tools and techniques
Fully background checked, licensed and insured
Experts in customer service, with your satisfaction guaranteed or your money back
Guaranteed to arrive on time, every time
See why customers trust Horizon for backflow testing and prevention services
What to expect with our backflow testing process
We inspect your backflow prevention device and evaluate your plumbing system for potential cross-connections or risk factors.
Our certified plumber performs required testing to ensure the device is functioning properly and preventing contamination.
If the device fails testing or shows signs of wear, we provide repair or replacement options to restore protection.
We verify proper operation and provide any necessary documentation for local compliance, giving you confidence that your water supply is safe.
Save on plumbing repairs with a Comfort360 membership
Make costly plumbing repairs and installation a thing of the past with our Comfort360 membership. Our unique subscription takes a whole-home approach to repairs, maintenance, and installation, ensuring your HVAC, plumbing, and electrical systems stay in peak shape. Included in the membership are the following plumbing perks:
15% off all plumbing services
50% off our Whole-Home Water Leak Protection Packages
Annual water heater inspection to prevent costly breakdowns
Waived diagnostic fees with repairs
Read expert plumbing tips from Horizon
Questions about our backflow testing services?
Not seeing what you’re looking for? Give us a call, and we’ll happily help!
Backflow occurs when water flows in the opposite direction within your plumbing system, potentially allowing dangerous contaminants to enter your clean water supply.
In many areas, annual testing is required for certain properties. Local regulations may vary, so it is important to stay compliant with municipal guidelines.
A backflow prevention device is a mechanical valve installed on a plumbing system that prevents contaminated water from flowing backward into your clean water supply. It protects drinking water from pollutants, chemicals, fertilizers, and other harmful substances that could enter your plumbing system due to pressure changes.
In many areas, backflow testing is required by local or state regulations, especially for commercial properties, irrigation systems, multi-family buildings, and certain residential applications. These regulations typically require annual testing by a certified professional to ensure the backflow prevention device is working properly. Local requirements can vary, so it’s best to verify compliance with your municipality or water authority.