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Backflow Testing Services in Spokane Valley, Washington

Finding a reliable backflow testing professional in Spokane Valley, Washington is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 13 backflow testing companies serving Spokane Valley and surrounding communities including Spokane, Pullman, Moses Lake.

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 Spokane Valley area.

Most water authorities in Washington 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 Spokane Valley 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.

13 listed providers

Services:
Plumber Faucets N' Stuff backflow testing
Testing Verified
1 mi

Plumber Faucets N' Stuff

4.9(51)

Testing Verified · Spokane Valley, WA · 1 mi

Backflow TestingCommercialResidential
Website
Raptor Rooter & Plumbing backflow testing
2 mi

Raptor Rooter & Plumbing

4.8(1,118)

Spokane Valley, WA · 2 mi

CommercialResidentialEmergency Service
Website
Jones Sprinklers, Inc. backflow testing
Testing Verified
4 mi

Jones Sprinklers, Inc.

4.9(1,712)

Testing Verified · Spokane Valley, WA · 4 mi

Backflow Testing
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
4 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(1,454)

Spokane Valley, WA · 4 mi

CommercialResidentialEmergency Service
Website
Mr. Rooter Plumbing of Spokane backflow testing
5 mi

Mr. Rooter Plumbing of Spokane

4.7(539)

Spokane, WA · 5 mi

Emergency Service
Website
PS
5 mi

Performance Systems Integration

4.9(173)

Spokane, WA · 5 mi

Website
Shaw Plumbing Heating & Air Conditioning backflow testing
Testing Verified
6 mi

Shaw Plumbing Heating & Air Conditioning

4.8(1,259)

Testing Verified · Spokane, WA · 6 mi

Backflow TestingCommercialEmergency Service
Website
Auto Rain Contracting LLC backflow testing
Testing Verified
7 mi

Auto Rain Contracting LLC

4.0(14)

Testing Verified · Spokane, WA · 7 mi

Backflow Testing
Website
Marko's Sprinklers backflow testing
Testing Verified
7 mi

Marko's Sprinklers

4.6(146)

Testing Verified · Spokane, WA · 7 mi

Backflow TestingSprinkler BackflowFree Estimates
Website
JLR Plumbing backflow testing
7 mi

JLR Plumbing

4.8(306)

Spokane, WA · 7 mi

Preventer RepairCommercialEmergency Service
Website
Einstein Pros Plumbing Spokane Washington backflow testing
9 mi

Einstein Pros Plumbing Spokane Washington

5.0(1)

Spokane, WA · 9 mi

CommercialResidentialEmergency Service
Website
H2O FLOW LLC backflow testing
Testing Verified
10 mi

H2O FLOW LLC

5.0(72)

Testing Verified · Spokane, WA · 10 mi

Backflow TestingPreventer Installation
Website
SS
11 mi

Sensible Sprinkler and Irrigation

1.0(2)

Spokane, WA · 11 mi

Preventer RepairSprinkler Backflow
Website

Frequently Asked Questions About Backflow Testing in Spokane Valley

Many certified backflow testers in Spokane Valley 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 Spokane Valley, Washington 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 Spokane Valley 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 Spokane Valley 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 Washington require cross-connection control programs for commercial properties and irrigation systems.

Many municipalities in Washington require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Spokane Valley 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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