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Backflow Testing Services in Lorton, Virginia

Finding a reliable backflow testing professional in Lorton, Virginia is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 22 backflow testing companies serving Lorton and surrounding communities including Springfield, Lake Ridge, Burke.

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 Lorton 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 Lorton 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.

22 listed providers

Services:
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical backflow testing
< 1 mi

F.H. Furr Plumbing, Heating, Air Conditioning & Electrical

4.7(4,533)

Lorton, VA · < 1 mi

Same Day Service
Website
M.E. Flow backflow testing
Testing Verified
< 1 mi

M.E. Flow

4.7(1,169)

Testing Verified · Lorton, VA · < 1 mi

Backflow TestingCommercialEmergency Service
Website
RP
5 mi

Roto-Rooter Plumbing & Water Cleanup

4.9(1,034)

Alexandria, VA · 5 mi

Backflow TestingCommercialResidential

Delighted with the quick response to our sewer line blockage, they got a technician out to us within an hour of my call. The service include running the cutter snake as well as a camera afterwards so…

Read more on Google
Website
John C. Flood backflow testing
5 mi

John C. Flood

4.8(4,998)

Alexandria, VA · 5 mi

Preventer Installation

I came home to a flooded basement and a leaking water heater. I called John C Flood and they sent Nassim S. I immediately felt at ease with him! He was super knowledgeable and took something that was…

Read more on Google
Website
Capitol Boiler Works, LLC backflow testing
6 mi

Capitol Boiler Works, LLC

3.7(29)

Springfield, VA · 6 mi

Emergency Service
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
6 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(1,503)

Springfield, VA · 6 mi

CommercialResidentialEmergency Service
Website
Fairfax Plumbing NV Inc. backflow testing
6 mi

Fairfax Plumbing NV Inc.

5.0(69)

Annandale, VA · 6 mi

CommercialResidentialEmergency Service
Website
O'Neill Plumbing Services L.L.C. backflow testing
6 mi

O'Neill Plumbing Services L.L.C.

4.7(258)

Alexandria, VA · 6 mi

CommercialEmergency ServiceFree Estimates
Website
Sertec LLC backflow testing
Testing Verified
6 mi

Sertec LLC

3.1(18)

Testing Verified · Alexandria, VA · 6 mi

Backflow TestingEmergency ServiceSame Day Service
Website
Alexandria Plumbing Pro Services backflow testing
6 mi

Alexandria Plumbing Pro Services

4.4(65)

Alexandria, VA · 6 mi

Preventer InstallationPreventer RepairCommercial
Website
DB's Plumbing and Drain® backflow testing
Testing Verified
7 mi

DB's Plumbing and Drain®

4.9(2,022)

Testing Verified · Woodbridge, VA · 7 mi

CommercialResidentialEmergency Service
Website
The Gentleman Plumber backflow testing
7 mi

The Gentleman Plumber

4.9(103)

Alexandria, VA · 7 mi

CommercialEmergency Service
Website
The Secret Plumber backflow testing
8 mi

The Secret Plumber

No reviews yet

Alexandria, VA · 8 mi

CommercialEmergency ServiceSame Day Service
Website
Pioneer Plumbers backflow testing
Testing Verified
9 mi

Pioneer Plumbers

5.0(96)

Testing Verified · Fairfax, VA · 9 mi

Backflow TestingPreventer RepairEmergency Service
Website
Back Flow Services Done Right backflow testing
Testing Verified
10 mi

Back Flow Services Done Right

5.0(12)

Testing Verified · FX STATION, VA · 10 mi

Backflow Testing

Andy handled our backflow repairs fast! He communicated every step of the repair and was a true professional. If you are looking for a plumbing contractor that takes pride in his work this is the…

Read more on Google
Website
Baumbach Plumbing & Remodeling services llc backflow testing
Testing Verified
10 mi

Baumbach Plumbing & Remodeling services llc

4.9(113)

Testing Verified · Fairfax Station, VA · 10 mi

Backflow TestingResidentialEmergency Service

This company lives up to the high rating on Google. Around 9pm I had a busted pipe in my basement, no hot water. A quick Google search later, I chose to call Baumbach’s based on the reviews. Andy…

Read more on Google
Website
Emerald Plumbing Co. backflow testing
10 mi

Emerald Plumbing Co.

4.8(167)

Alexandria, VA · 10 mi

Emergency Service

Five-Star Review for Somerville and Their Inside Sales Manager Andy I have been working with Somerville for close to twenty years and I can say without hesitation that Andy is the heart and soul of…

Read more on Google
Website
Ferguson Plumbing Supply backflow testing
11 mi

Ferguson Plumbing Supply

4.0(41)

Alexandria, VA · 11 mi

It’s the little things…… I called in search of a small o-ring and was the attendant wasn’t certain they had what I needed but encouraged me to come down and show them the part I was looking for. I…

Read more on Google
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
12 mi

Roto-Rooter Plumbing & Water Cleanup

4.9(574)

Arlington, VA · 12 mi

CommercialResidentialEmergency Service
Website
Cherry Blossom Plumbing backflow testing
12 mi

Cherry Blossom Plumbing

4.9(463)

Arlington, VA · 12 mi

Emergency Service
Website
ABCO Plumbing Company LLC backflow testing
Testing Verified
14 mi

ABCO Plumbing Company LLC

4.9(37)

Testing Verified · Vienna, VA · 14 mi

Backflow TestingEmergency Service
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
15 mi

Roto-Rooter Plumbing & Water Cleanup

4.9(1,121)

McLean, VA · 15 mi

CommercialResidentialEmergency Service
Website

Frequently Asked Questions About Backflow Testing in Lorton

Residential tests typically involve a single PVB or DCVA device and are quicker to complete. Commercial properties in Lorton 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 Lorton 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 Lorton, 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 Lorton 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 Lorton 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 Virginia require cross-connection control programs for commercial properties and irrigation systems.

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