Backflow is a plumbing issue that can expose your residential or commercial property’s water supply to potential contamination. This phenomenon occurs when the flow of water reverses its intended direction, allowing pollutants or contaminants to enter your potable water supply, ultimately posing risks to public health and safety. Ensuring your property is equipped with the necessary backflow prevention measures and engaging in regular backflow testing is essential to maintain a clean and safe water supply.

At Chicago Sewer Experts, we provide a comprehensive range of plumbing and drain cleaning services, including backflow prevention and testing, for residential and commercial clients in Greater Chicago. Our team of skilled professionals is dedicated to helping you create a secure environment and protect the integrity of your property’s water supply.

In this blog article, we will cover the importance of backflow prevention devices, discuss the necessity of regular backflow testing, and offer insights into choosing a reliable plumbing professional for your backflow servicing needs. Equip yourself with valuable knowledge and trust the experts at Chicago Sewer Experts to help you maintain a safe and uncontaminated water supply for your Chicago property.

Read on to learn more about backflow prevention and testing, and discover why partnering with Chicago Sewer Experts for your plumbing and drain cleaning needs is the optimal choice to safeguard your property’s water supply.

Understanding Backflow: Causes, Dangers, and Consequences

Backflow is the undesired reversal of water flow that can introduce contaminants or pollutants into your property’s potable water supply. There are two primary causes of backflow:

  • Backpressure: Occurs when downstream water pressure exceeds the supply pressure, typically due to increased demand or plumbing system malfunctions.
  • Backsiphonage: Takes place when a decrease in supply pressure causes a negative pressure in the system, resulting in water being drawn from potentially contaminated sources.

Backflow poses several dangers to your property and public health:

  • Contamination Risks: Pollutants, including chemicals, pesticides, and waste, can enter your water supply, resulting in potential health consequences.
  • Liability Issues: Neglecting backflow prevention and testing can expose your property to liability risks if waterborne illnesses or contaminants affect neighboring properties.
  • Compliance Requirements: Many municipalities and states enforce strict regulations and penalties for non-compliance with backflow prevention and testing standards.

Solution: Understanding the causes and threats associated with backflow empowers you to take preventative measures and prioritize the safety of your property’s water supply.

Implementing Backflow Prevention Devices: Protect Your Potable Water

Backflow prevention devices are crucial to your plumbing system, providing a barrier against potential water supply contaminants. Here are some common backflow prevention devices:

  • Air Gap: This simple solution involves creating a physical gap or separation between a water outlet and the overflow line, making it impossible for water to flow in the reverse direction.
  • Reduced Pressure Zone (RPZ): This assembly contains two independent check valves and a pressure-relief valve, providing effective backflow protection in high-hazard settings.
  • Double Check Valve Assembly (DCVA): This device features two separate check valves, preventing backflow due to backpressure or backsiphonage in low-hazard applications.
  • Vacuum Breaker: Installed on faucets and hose bibs, vacuum breakers prevent backsiphonage by maintaining atmospheric pressure within the hose, mitigating the risk of water being drawn backward into the supply line.

Solution: Investing in appropriate backflow prevention devices is a critical step toward maintaining a clean and secure water supply for your property.

The Importance of Regular Backflow Testing and Maintenance

To maintain effectiveness, backflow prevention devices require periodic testing and maintenance. Here are why regular backflow testing is crucial:

  • Compliance With Regulations: Many jurisdictions mandate annual or semi-annual backflow testing to ensure the proper functioning of prevention devices and maintain public health standards.
  • Early Detection of Issues: Routine testing helps identify potential problems, such as wear, damage, or malfunction, before leading to severe consequences like water supply contamination.
  • Assurance of Water Safety: Regular backflow device testing provides property owners with the confidence that their water supply remains clean and uncontaminated.
  • Optimal Device Performance: Regular maintenance ensures the longevity and effectiveness of your backflow prevention devices, protecting your property against potential plumbing hazards.

Solution: Scheduling routine backflow testing and maintenance with a trusted professional promotes the lasting reliability and performance of your property’s water supply system.

Choosing a Reliable Plumbing Professional for Your Backflow Needs

Entrusting your backflow prevention and testing requirements to a reputable plumbing professional is essential to secure a safe and compliant water supply. Here are the factors to consider when selecting a provider:

  • Experience and Expertise: Choose a plumbing expert with proven experience in handling backflow prevention, testing, and maintenance for residential and commercial properties.
  • Licensing and Certification: Partner with a plumbing professional who is licensed and certified for backflow device installation, testing, and repair, ensuring compliance with regulatory requirements.
  • Availability and Timeliness: Select a plumbing service that can cater to your scheduling needs and is prepared to respond to emergencies with prompt and efficient service.
  • Customer Satisfaction and Trust: Review client testimonials and recommendations to ensure you engage a trusted partner for your backflow prevention and testing needs.

Solution: By considering these factors, you can confidently select a plumbing professional who will provide expert services for your property’s backflow needs and maintain a safe water supply.


Securing your property’s water supply through effective backflow prevention and testing measures is essential for maintaining public health and safety. By understanding the risks associated with backflow, implementing suitable prevention devices, and partnering with reputable professionals such as Chicago Sewer Experts for regular testing and maintenance, you can protect your property from the consequences of contaminated water.
Ensure your property’s water supply remains clean and secure by contacting Chicago Sewer Experts today for all your backflow prevention and testing needs. With our comprehensive plumbing services in Chicago, skilled team, and commitment to excellence, you can trust us to provide the valuable guidance and support your property requires to maintain a safe and efficient potable water supply in the Greater Chicago area.