BackflowNear Test-Due Reminder

Hydro Backflow

Backflow testing. 274 E Rowland St B, West Covina, CA 91791

4 utility approved lists
90/100 BackflowNear score

Approvals

✓ On the Cucamonga Valley Water District list✓ On the Sweetwater Authority list✓ On the Goleta Water District list✓ On the Rancho California Water District list Phone matches its Google profile

Ask for the certificate number of the tester who will do your test, and check that your own water utility accepts reports from this company.

Call (844) 554-9376 Visit website More testers in California

Price reports

What a backflow test costs in West Covina

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Published prices nationwide

$29.99 to $100 per assembly

Based on 14 published prices · Read Oct 2026 Prices testing businesses list on their own websites, from our cost guide. Listed prices, not what people paid.

Every published price, with its source: what a backflow test costs.

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What Hydro Backflow's website says

It saysDetailsPage
24-hour serviceOffered, it sayshydrobackflow.com

Read on hydrobackflow.com on October 11, 2026 (3 pages). This is what the business says about itself.

Where you will find Hydro Backflow

These are the city pages close enough for this business to appear on.

Other backflow testers nearby

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Aquacheck Backflow Prevention Testing and ServiceBackflow Testing11 mi
Terry’s TestingBackflow Testing12 mi

Questions about Hydro Backflow

Is Hydro Backflow approved to test backflow assemblies?

Hydro Backflow is on the Cucamonga Valley Water District list and Sweetwater Authority list and Goleta Water District list and Rancho California Water District list, as of October 6, 2026. That means the utility lets the company file backflow test reports in its system; it is not a state license. Ask for the tester's certificate number before the test.

What does Hydro Backflow do?

Their listing covers backflow testing. Call to confirm the service you need, because offerings change.

What areas does Hydro Backflow serve?

They are based in West Covina, California, within driving distance of Montclair, Brea, Yorba Linda, Anaheim, Rancho Cucamonga. Service areas are set by the business, so confirm yours when you call.

How do I reach Hydro Backflow?

Call (844) 554-9376. Their website is linked on this page.

Compiled from public records and public business information. Not an endorsement. Check licensing before you hire.

Is this your business?

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