Prepare Your Home for Rainy Season: Why Backflow Testing Should Be on Your To-Do List
- Lawson House
- Oct 22
- 2 min read
As the rainy season rolls in, most San Diego homeowners are busy prepping their homes: cleaning gutters, checking the roof, fixing leaks. But one thing that doesn’t always make the to-do list is backflow testing.
When heavy rain hits, it can put unexpected pressure on your plumbing system. A properly maintained backflow prevention device keeps your drinking water clean and your household safe.
Why Rainy Season Puts Pressure on Backflow Systems
Major storms can cause the city’s water pressure to fluctuate. If the pressure drops suddenly during a storm or flood, contaminated water from irrigation systems, pools, or outdoor connections can flow backward into your clean water lines.
This “backflow” can cause dirt, pesticides, and other toxins to enter your drinking water supply. Your backflow prevention device is built to prevent this, but only if it’s functioning properly.
The Importance of Annual Testing
Even the best backflow prevention devices can wear down over time. Rubber seals crack, valves get stuck, and debris builds up. That’s why San Diego requires annual testing for many residential properties with irrigation systems, pools, or other water lines.
Testing ensures your device is working properly before the rainy season begins, when the risk of backflow is at its peak.
What Happens If You Skip Testing?
Ignoring backflow testing can lead to bigger problems later, such as:
Contaminated water entering your home’s supply
City violations or fines for noncompliance with local regulations
Expensive repairs if a small leak or blockage goes unnoticed
Regular inspections are a simple way to prevent costly damage and protect your property all year long.
Stay Ahead This Season
Before the rainy season gets here, make sure your home is ready from the inside out. A quick backflow inspection gives you peace of mind that your water is safe and your system is up to code.
Protect your property, your water, and everyone around you. Contact San Diego Backflow Testing at 877-363-8378 or visit our website to schedule your annual inspection today.
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Newsletter: Prepare Your Home for Rainy Season: Don’t Forget Backflow Testing
As you start to prep your home for the incoming rainy season, don’t forget about testing your backflow system.
Why It Matters
When heavy rain hits, pressure shifts in the city’s water system can push contaminated water backward, carrying dirt, pesticides, and other debris into your clean supply. A backflow prevention device keeps your water safe, but only if it’s working correctly.
Annual Testing Is Key
Even the best devices wear down over time. Rubber seals crack, valves malfunction, and residue builds up. San Diego requires annual testing for homes with irrigation systems, pools, or other water lines.
By testing your device now, you can prevent backflow problems before the rainy season hits.
Risks of Skipping Testing
Contaminated water entering your home
City fines or violations for noncompliance
Costly repairs from unnoticed leaks or blockages
Stay Ahead This Season
A quick backflow inspection protects your property, your water, and your community. Schedule your annual inspection with San Diego Backflow Testing at 877-363-8378 or through our website today.




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