Backflow Testing Services in Milwaukee, Wisconsin
Finding a reliable backflow testing professional in Milwaukee, Wisconsin is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 12 backflow testing companies serving Milwaukee and surrounding communities including Wauwatosa, West Allis, Greenfield.
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 Milwaukee area.
Most water authorities in Wisconsin 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 Milwaukee 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.
12 listed providers

Vince Ingrilli & Sons Plumbing
No reviews yet
Testing Verified · Wauwatosa, WI · 5 mi

Gee Inspections
Testing Verified · Greenfield, WI · 6 mi

Mike Ingrilli Plumbing LLC
Testing Verified · West Allis, WI · 8 mi
Dairyland Energy Solutions, Inc.
No reviews yet
Milwaukee, WI · 11 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Milwaukee
RPZ (Reduced Pressure Zone) testing verifies that your reduced pressure backflow preventer is functioning correctly to protect your water supply from contamination. A certified tester uses specialized gauges to measure differential pressures across the assembly. RPZ devices are typically required for high-hazard connections.
Most jurisdictions in Wisconsin require backflow testers to hold a current certification from an approved training program, typically involving classroom instruction, a hands-on practical exam, and continuing education credits. Some municipalities maintain their own approved-tester lists. Always verify certification before hiring.
Residential tests typically involve a single PVB or DCVA device and are quicker to complete. Commercial properties in Milwaukee often have multiple assemblies, RPZ devices, and fire-line backflow preventers that require more time and specialized equipment. Pricing and scheduling may differ for each type.
Many certified backflow testers in Milwaukee 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 Milwaukee, Wisconsin 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 Milwaukee area.
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