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Backflow Testing Services in Leesburg, Virginia

Finding a reliable backflow testing professional in Leesburg, Virginia is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 4 backflow testing companies serving Leesburg and surrounding communities including Ashburn, Sterling, Reston.

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 Leesburg area.

Most water authorities in Virginia 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 Leesburg 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

Services:
M.E. Flow backflow testing
Testing Verified
2 mi

M.E. Flow

4.8(3,739)

Testing Verified · Leesburg, VA · 2 mi

Backflow TestingCommercialEmergency Service
Website
Backflow Technology, LLC backflow testing
Testing Verified
8 mi

Backflow Technology, LLC

5.0(6)

Testing Verified · Ashburn, VA · 8 mi

Cross-Connection ControlEmergency Service
Website
HC
Testing Verified
11 mi

Hydro-Tech, Co.

4.5(217)

Testing Verified · Sterling, VA · 11 mi

Backflow TestingSprinkler BackflowCommercial

Our experience with Hydrotech was one of the best relationships we have had in our recent large-scale landscaping project. We had a challenging, low-output well system that required real…

Read more on Google
Website
BG Outdoor Services backflow testing
Testing Verified
11 mi

BG Outdoor Services

4.5(177)

Testing Verified · Sterling, VA · 11 mi

Backflow TestingAnnual Certification FilingSprinkler Backflow
Website

Frequently Asked Questions About Backflow Testing in Leesburg

Most jurisdictions in Virginia 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 Leesburg 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 Leesburg 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 Leesburg, Virginia 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 Leesburg 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 Leesburg 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.

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