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Backflow Testing Services in Mineola, New York

Finding a reliable backflow testing professional in Mineola, New York is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 54 backflow testing companies serving Mineola and surrounding communities including Franklin Square, Hempstead, Elmont.

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 Mineola area.

Most water authorities in New York 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 Mineola 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.

21 listed providers

Services:
Long Island Backflow Testing backflow testing
Testing Verified
< 1 mi

Long Island Backflow Testing

4.9(10)

Testing Verified · Mineola, NY · < 1 mi

Backflow TestingPreventer InstallationPreventer Repair

I just hired Long Island BackFlow Test to inspect our buildings backflow. I received a letter from the city and needed to handle my situation immediately. They were quick returning my call making…

Read more on Google
Website
Backflow Friends backflow testing
Testing Verified
3 mi

Backflow Friends

5.0(113)

Testing Verified · Hempstead, NY · 3 mi

Backflow TestingCross-Connection ControlAnnual Certification

Carlos is a stand up honest guy. I called to have a PVB/Backflow preventer tested for the water utility in my area for my lawn sprinklers. He answered my phone call right away and was very…

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Website
Atlas Plumbing & Meter Works Inc backflow testing
Testing Verified
8 mi

Atlas Plumbing & Meter Works Inc

5.0(61)

Testing Verified · Fresh Meadows, NY · 8 mi

Backflow Testing
Website
Ranshaw Plumbing & Heating backflow testing
9 mi

Ranshaw Plumbing & Heating

4.8(581)

Whitestone, NY · 9 mi

Commercial
Website
Citywide Safety Compliance backflow testing
10 mi

Citywide Safety Compliance

No reviews yet

Flushing, NY · 10 mi

CommercialFree Estimates
Website
J&J Backflow Device Testers Inc. backflow testing
Testing Verified
12 mi

J&J Backflow Device Testers Inc.

5.0(4)

Testing Verified · New Rochelle, NY · 12 mi

Backflow TestingPreventer RepairCommercial
Website
Bluewater Plumbing, Heating and Air Conditioning backflow testing
13 mi

Bluewater Plumbing, Heating and Air Conditioning

No reviews yet

Middle Village, NY · 13 mi

CommercialEmergency Service
Website
Guardian Backflow Testing LLC backflow testing
Testing Verified
13 mi

Guardian Backflow Testing LLC

5.0(39)

Testing Verified · Larchmont, NY · 13 mi

Backflow TestingCommercialEmergency Service
Website
Billharz Plumbing Inc backflow testing
14 mi

Billharz Plumbing Inc

3.8(45)

Woodside, NY · 14 mi

Residential
Website
1
Testing Verified
14 mi

123BackFlowTesting

No reviews yet

Testing Verified · Astoria, NY · 14 mi

Backflow TestingPreventer InstallationPreventer Repair
Website
Harris Plumbing & Heating Corporation backflow testing
14 mi

Harris Plumbing & Heating Corporation

4.8(164)

Brooklyn, NY · 14 mi

CommercialResidential
Website
Backflow Prevention of New York, LLC backflow testing
14 mi

Backflow Prevention of New York, LLC

5.0(9)

Astoria, NY · 14 mi

Backflow TestingPreventer InstallationPreventer Repair
Website
Protocol Plumbing and Heating backflow testing
14 mi

Protocol Plumbing and Heating

5.0(13)

Long Island City, NY · 14 mi

CommercialResidentialFree Estimates
Website
Systems 2000 backflow testing
Testing Verified
16 mi

Systems 2000

2.7(55)

Testing Verified · New York, NY · 16 mi

Backflow TestingPreventer InstallationCommercial
Website
Neo Plumbing & Heating Corp backflow testing
Testing Verified
17 mi

Neo Plumbing & Heating Corp

4.8(76)

Testing Verified · New York, NY · 17 mi

Backflow TestingPreventer InstallationCommercial
Website
Psi Plumbing Inc backflow testing
17 mi

Psi Plumbing Inc

3.4(5)

New York, NY · 17 mi

CommercialEmergency Service
Website
Order A Plumber Inc. backflow testing
Testing Verified
18 mi

Order A Plumber Inc.

5.0(3)

Testing Verified · Brooklyn, NY · 18 mi

Backflow TestingEmergency ServiceFree Estimates
Website
Metropolitan Plumbing & Heating backflow testing
19 mi

Metropolitan Plumbing & Heating

4.0(6)

Brooklyn, NY · 19 mi

CommercialResidential
Website
Big Apple Plumbing Corporation backflow testing
19 mi

Big Apple Plumbing Corporation

4.9(43)

Brooklyn, NY · 19 mi

Website
Backflow Testing - BackFlow Pro backflow testing
Testing Verified
20 mi

Backflow Testing - BackFlow Pro

5.0(142)

Testing Verified · Brooklyn, NY · 20 mi

Backflow Testing
Website
DEP BACKFLOW backflow testing
Testing Verified
20 mi

DEP BACKFLOW

5.0(24)

Testing Verified · Brooklyn, NY · 20 mi

Backflow TestingRPZ TestingPreventer Installation

I reached out to several companies for an inspection, and Solomon was the first to respond. He was both friendly and knowledgeable, going above and beyond to secure a next-day appointment. He arrived…

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Website

Frequently Asked Questions About Backflow Testing in Mineola

Many certified backflow testers in Mineola 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 Mineola, New York 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 Mineola 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 Mineola 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 New York require cross-connection control programs for commercial properties and irrigation systems.

Many municipalities in New York require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Mineola 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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