We all expect the water coming from our faucets to be clean and safe. But did you know that under certain conditions, contaminated water can flow backward into your clean water supply? It’s called backflow, and it’s a serious risk that affects homes, businesses, and public buildings alike.
At Bob Means Plumbing, we help residents and business owners across the Greater Harrisburg area stay compliant, protected, and confident in their water systems. Whether you’re managing a commercial property or maintaining your home, understanding backflow is the first step toward preventing it.
What Is Backflow?
Backflow occurs when water flows in the opposite direction than it’s supposed to, backward through your plumbing system. Instead of clean water flowing into your home or business, used or contaminated water can be drawn back into the clean water supply.
This reversal can happen when:
- There’s a sudden drop in water pressure (such as during a water main break or fire hydrant use)
- A cross-connection between drinkable water and a non-drinkable source allows contaminants to enter the system
- Equipment like sprinkler systems, pools, and industrial machinery introduces substances into the water supply through improper plumbing design
The result? Harmful substances, like fertilizers, chemicals, bacteria, or even human waste, can be pulled into the water your family, employees, or customers rely on every day.
The Real Risks of Backflow for Homes and Businesses
Backflow might sound like a technical issue, but its impact is very real. Whether you’re running a busy restaurant, a daycare center, or just watering your lawn at home, a single backflow incident can jeopardize public health and your reputation.
For Homeowners:
You might not think your home is at risk, but even everyday activities like watering the lawn or filling a pool can create potential hazards. If your garden hose is attached to a pesticide sprayer and left submerged in a bucket, or if your irrigation system isn’t properly protected, contaminants can be sucked into your home’s water supply without warning. And the worst part? You may not realize anything is wrong until someone gets sick.
For Business Owners:
Backflow prevention is even more critical in commercial and industrial settings. Restaurants, car washes, salons, dental offices, and apartment buildings often have complex plumbing systems with multiple cross-connections. That complexity increases the risk of contamination, making proper backflow prevention and testing not just good practice, but legally required.
A single backflow event at your business could lead to:
- Health department violations
- Costly shutdowns
- Liability and legal consequences
- Damaged customer trust and reputation
In Pennsylvania, many municipalities and water authorities require annual backflow testing and certification, especially for commercial and multifamily properties. Failing to comply can result in fines or disconnection of service.
What Does a Backflow Preventer Do?
A backflow preventer is a specialized device that protects your clean water supply by stopping contaminated water from flowing backward into your plumbing system. It ensures that water flows in only one direction and not back out into the public water supply, where it could pose a health risk.
At Bob Means Plumbing, our licensed and highly trained technicians specialize in the installation, testing, and repair of two key types of commercial-grade backflow prevention devices:
- Reduced Pressure Zone (RPZ) Assemblies – These are designed for high-hazard situations where contaminants could pose a serious health risk. They’re commonly required in commercial and industrial properties, especially when chemicals or pressurized systems are involved.
- Double Check Detector Assemblies (DCDA) – Often used in fire protection systems and commercial plumbing setups, DCDA devices provide reliable protection in moderate-risk situations where backflow could still compromise water quality.
Whether you’re installing a new system or need annual testing on an existing one, our team ensures your backflow prevention devices are functioning properly and compliant with all local and state regulations.
How Bob Means Plumbing Can Help
Backflow prevention might not be something you think about every day, but we do.
With nearly 30 years of experience serving Harrisburg, Lemoyne, New Cumberland, Mechanicsburg, and Camp Hill, Bob Means Plumbing is your trusted partner for all things backflow. Backflow devices must be installed, repaired, and tested by a licensed backflow technician. All equipment used to test backflows must also be calibrated and third-party certified annually. At Bob Means Plumbing, we have two ASSE-certified backflow technicians on staff, and they are recertified every three years to stay up to date on cross-contamination prevention, backflow technology, and best practices. With certified expertise and strict adherence to testing regulations, we’re proud to offerr:
- Professional Installation of backflow prevention devices (RPZ, DCVA, PVB, and more)
- Annual Testing & Certification to keep your property compliant with local and state regulations
- Repair & Maintenance for faulty or outdated systems
- Detailed Reporting & Documentation to ensure you’re ready for any inspection
Whether you’re a first-time business owner or managing multiple commercial properties, our licensed, highly trained technicians will guide you through every step of the process. We’ll explain what your building needs, make sure you’re up to code, and keep your water safe.
Frequently Asked Questions About Backflow
How do I know if I need a backflow preventer?
If your property has an irrigation system, fire sprinkler system, commercial kitchen, or any equipment that connects to both clean and used water, you likely need a backflow device. We can assess your plumbing and let you know what’s required.
How often does a backflow device need to be tested?
Most municipalities require testing once a year. Even if you haven’t noticed any issues, testing ensures your device is working and keeps your water supply safe.
What happens if my device fails the test?
If a device fails, we’ll provide a clear explanation of the issue and handle the repair or replacement quickly to keep you compliant and protected.
Safe Water, Stronger Community
At Bob Means Plumbing, we believe that clean water is everyone’s responsibility and that backflow prevention plays a critical role in protecting our community. That’s why we treat every job, big or small, with the same level of care, professionalism, and expertise.
We’re not just plumbers, we’re neighbors, parents, and business owners too. And we proudly support the communities we serve through youth sports programs, food drives, and veterans’ initiatives.
When you partner with us, you’re not just checking a box for compliance. You’re working with a team that genuinely cares about your health, your customers, and your peace of mind.
Schedule Your Backflow Service Today
Don’t wait for a violation, or worse, a contamination event, to act. Whether you’re a homeowner or business owner, protecting your water starts with proper backflow prevention.
📞 Call us today at (717) 412-7434
🌐 Schedule service online at https://bobmeansplumbing.com/
Let Bob Means Plumbing help you keep your water clean, your system compliant, and your property protected today and for years to come.
