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Backflow Testing Services in Shrewsbury, Massachusetts

Finding a reliable backflow testing professional in Shrewsbury, Massachusetts is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 15 backflow testing companies serving Shrewsbury and surrounding communities including Worcester, Marlborough, Framingham Center.

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 Shrewsbury area.

Most water authorities in Massachusetts 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 Shrewsbury 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.

15 listed providers

Services:
Landry Mechanical Inc Plumbing HVAC & Electric backflow testing
2 mi

Landry Mechanical Inc Plumbing HVAC & Electric

4.8(271)

Shrewsbury, MA · 2 mi

CommercialEmergency Service
Website
Control Point Heating • Cooling • Plumbing • Electric backflow testing
3 mi

Control Point Heating • Cooling • Plumbing • Electric

5.0(608)

Shrewsbury, MA · 3 mi

Free Estimates
Website
G & L Plumbing Inc. backflow testing
3 mi

G & L Plumbing Inc.

4.6(196)

Boylston, MA · 3 mi

Emergency ServiceSame Day Service
Website
Ferguson Waterworks backflow testing
4 mi

Ferguson Waterworks

4.9(7)

Worcester, MA · 4 mi

ResidentialEmergency ServiceFree Estimates
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
5 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(1,231)

Worcester, MA · 5 mi

CommercialResidentialEmergency Service
Website
Impact Fire Services backflow testing
Testing Verified
5 mi

Impact Fire Services

2.4(5)

Testing Verified · Worcester, MA · 5 mi

Backflow TestingDCVA TestingPreventer Installation
Website
GP
5 mi

G&L Plumbing Inc.

5.0(1)

Worcester, MA · 5 mi

Emergency ServiceSame Day Service
Website
Cogswell Sprinkler Co., Inc. backflow testing
6 mi

Cogswell Sprinkler Co., Inc.

4.8(6)

Worcester, MA · 6 mi

Emergency Service
Website
Domination Plumbing and Heating backflow testing
Testing Verified
7 mi

Domination Plumbing and Heating

4.8(337)

Testing Verified · Worcester, MA · 7 mi

Backflow TestingCommercialEmergency Service
Website
Landry Mechanical Inc Plumbing HVAC & Electric backflow testing
7 mi

Landry Mechanical Inc Plumbing HVAC & Electric

4.8(3,054)

Millbury, MA · 7 mi

CommercialEmergency Service
Website
Monroe Home Solutions backflow testing
10 mi

Monroe Home Solutions

4.7(343)

Clinton, MA · 10 mi

Sprinkler BackflowResidentialEmergency Service
Website
Shahood Plumbing & Heating backflow testing
14 mi

Shahood Plumbing & Heating

4.7(204)

Framingham, MA · 14 mi

Backflow TestingCommercialResidential

I recently had the pleasure of working with Mark and his team for several plumbing projects, including the installation of new water heaters and the maintenance of our heating and cooling systems. I…

Read more on Google
Website
Flaherty Plumbing & HVAC backflow testing
Testing Verified
14 mi

Flaherty Plumbing & HVAC

4.6(235)

Testing Verified · Framingham, MA · 14 mi

Backflow TestingCommercialResidential
Website
Landry Mechanical Inc Plumbing HVAC & Electric backflow testing
14 mi

Landry Mechanical Inc Plumbing HVAC & Electric

4.9(424)

Charlton, MA · 14 mi

CommercialEmergency Service
Website
Landry Mechanical Inc Plumbing HVAC & Electric backflow testing
15 mi

Landry Mechanical Inc Plumbing HVAC & Electric

4.8(581)

Framingham, MA · 15 mi

CommercialResidentialEmergency Service
Website

Frequently Asked Questions About Backflow Testing in Shrewsbury

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

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