Backflow Testing Services in Lakeville, Minnesota
Finding a reliable backflow testing professional in Lakeville, Minnesota is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 4 backflow testing companies serving Lakeville and surrounding communities including Apple Valley, Burnsville, Rosemount.
Whether you need annual backflow testing, RPZ (Reduced Pressure Zone) valve inspection, or cross-connection control services, the providers listed below offer professional testing services for both residential and commercial properties throughout the Lakeville area.
Most water authorities in Minnesota require annual testing and reporting for all backflow prevention assemblies. A certified backflow tester will inspect your devices, perform the required differential pressure tests, and file compliance reports with your local water authority.
Browse the listings below to compare ratings, read customer reviews, and contact backflow testing professionals near Lakeville directly. Use the filters above to narrow results by rating, review count, or specific services like RPZ testing and preventer installation.
Data source: Google Maps. Always verify licensing with your local water authority.
4 listed providers

South Metro Backflow Testing llc
Testing Verified · Burnsville, MN · 6 mi
“I didn't even know what this was until the city sent me a letter. South Metro Backflow made this process soooo easy. Nobody really wants to pay for this in the first place but they made it easy and…”
Champion Plumbing
Testing Verified · Eagan, MN · 14 mi
“Update 5/8/2025: We recently decided to replace our old gas gravity water heater and opted for a 50-gallon Bradford White Hybrid (heat pump) model to take advantage of energy rebates and lower our…”
Read more on GoogleNorthTech
St Paul Park, MN · 18 mi
“NorthTech came back to redo my irrigation system after my sewer line replacement, and they once again did an excellent job. They also laid new sod that looks fantastic so far. The entire process —…”
Read more on Google
Freedom Plumbing and Water Conditioning
Testing Verified · South St Paul, MN · 20 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Lakeville
Many certified backflow testers in Lakeville will file test reports directly with your local water authority or municipality on your behalf. Confirm this with your provider before scheduling. Some jurisdictions require the property owner to submit reports, while others accept direct submissions from the tester.
Backflow testing in Lakeville, Minnesota typically costs between $50 and $200 per device, depending on the type of backflow preventer and the complexity of the installation. RPZ assemblies generally cost more to test than double check valve assemblies. Contact providers listed above for current pricing in the Lakeville area.
If a backflow preventer fails its annual test, the certified tester will diagnose the issue — often a worn check valve, damaged disc, or fouled relief valve. Most testers in Lakeville can repair the device on site and re-test it the same day. Your water authority may require the passing report within a set deadline.
Cross-connection control prevents contaminated water from flowing backwards into the clean water supply. Backflow prevention devices are installed at cross-connection points to protect public health. Regular testing ensures these devices function properly. Many municipalities in Minnesota require cross-connection control programs for commercial properties and irrigation systems.
Many municipalities in Minnesota require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Lakeville can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.
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