Signs Your Backflow Preventer Needs Maintenance
A properly functioning backflow preventer is essential for keeping your water supply safe from contamination. Over time, these devices can wear down or fail, posing risks to your home or business. Recognizing the warning signs early can save you from costly repairs and potential health hazards. At South Jersey Backflow, we specialize in backflow prevention services throughout New Jersey, ensuring your system remains in top working condition. In this guide, we’ll outline the key signs your backflow preventer needs maintenance and how our expert team can help.
Understanding the Role of a Backflow Preventer
A backflow preventer is a critical device that stops the reversal of contaminated water into a clean water supply. These devices are especially important in commercial and industrial settings, as well as residential properties with irrigation systems, fire suppression systems, or other potential cross-connections. Regular maintenance is required to ensure compliance with New Jersey regulations and to keep your water safe.
Normally, water flows in one direction from a municipal supply to homes and businesses. However, when there is a sudden change in pressure, water can flow backward, carrying pollutants and hazardous substances into drinking water systems.
1. Changes in Water Pressure

One of the first signs of a failing backflow preventer is a noticeable change in water pressure. If you experience an unexplained drop or fluctuation in water pressure, it could indicate that your backflow device is malfunctioning. Low water pressure can also signal blockages or valve failures within the system. South Jersey Backflow offers professional diagnostics and repairs to restore proper water flow and prevent further damage.
2. Discolored or Foul-Smelling Water
If your water appears brown, yellow, or has an unusual odor, it could be a sign of contamination due to backflow preventer failure. This issue is particularly concerning as it suggests that non-potable water or hazardous substances may be entering your drinking supply. Immediate action is necessary to prevent health risks, and our certified technicians are ready to assess and resolve the problem quickly.
3. Leaks Around the Backflow Preventer
Leaks or pooling water around the backflow preventer device can indicate broken seals, cracks, or internal component failure. Even a small leak can lead to bigger issues, including pressure imbalances and increased water bills. If you notice any dripping or standing water near your device, it’s time to call in the experts at South Jersey Backflow for an inspection and repair.
4. Strange Noises from Plumbing System
Hearing unusual sounds such as banging, gurgling, or vibrating in your pipes may be a sign of a backflow preventer issue. These noises often occur when valves are not opening or closing correctly, leading to pressure inconsistencies within the system. Our team can diagnose the cause and perform necessary maintenance to prevent long-term damage to your plumbing system.
5. Difficulty Passing Annual Backflow Testing
New Jersey requires annual backflow testing to ensure compliance with state and local regulations. If your backflow preventer has failed a recent test or is on the verge of failure, immediate maintenance or replacement is necessary. At South Jersey Backflow, we provide thorough testing services and quick repairs to keep your property in compliance.
6. Increased Water Bills
A sudden spike in your water bill without an increase in usage may indicate a leak or inefficiency in your backflow preventer. Faulty valves and worn-out seals can cause water to continuously flow, leading to wasted water and higher costs. Routine maintenance can help identify these issues early and prevent unnecessary expenses.
7. Visible Corrosion or Rust
Backflow preventers are exposed to various environmental factors that can cause corrosion and rust over time. If you notice any visible signs of deterioration on your device, it’s a clear indication that it needs professional servicing. Corrosion can weaken the structural integrity of the preventer, increasing the risk of failure and water contamination.
How South Jersey Backflow Can Help
At South Jersey Backflow, we offer expert maintenance, testing, and repair services across New Jersey. Our certified professionals ensure your backflow preventer operates at peak efficiency, keeping your water supply safe and your property compliant with all regulations. Our services include:
Routine Inspections & Testing
We perform comprehensive evaluations to identify potential issues before they become serious problems.
Repairs & Replacements
If your device is faulty, we provide quick and effective repairs or install new, high-quality preventers when necessary.
Emergency Services
If you suspect a backflow issue, our team is available for urgent inspections and repairs to prevent contamination.

Conclusion
Ignoring signs of a failing backflow preventer can lead to water contamination, costly fines, and damage to your plumbing system.
By staying vigilant and scheduling regular maintenance, you can protect your water supply and avoid unexpected problems.
South Jersey Backflow is committed to providing top-notch backflow prevention services throughout New Jersey.
Contact us today to schedule an inspection or learn more about how we can help maintain your system’s integrity.
