BackflowNear Test-Due Reminder

Backflow testing in Magnolia, TX

59 backflow testing businesses work within 25 miles of Magnolia, 3 of them based in town. Every one is on the approved tester list of City of Houston.

59 businesses within 25 miles

Backflow testing companies near Magnolia

Jordan Concrete

90/100
✓ TX Utility-Approved Tester Verified ★ 4.5 (4 reviews) On City of Houston list Backflow Testing

1107 Goodson Rd, Magnolia, TX 77355 · 6 mi from Magnolia

Call (281) 356-8805 Details Website

Verified Oct 2026 · Unclaimed listing

Richbourg Ranch Tree Farm

80/100
✓ TX Utility-Approved Tester Verified ★ 3.7 (3 reviews) On City of Houston list Backflow Testing

15629 Knotty Oaks Trail, Magnolia, TX 77355 · under 1 mile from Magnolia

Call (281) 734-3838 Details

Verified Oct 2026 · Unclaimed listing

Marek Irrigation LLC

90/100
✓ TX Utility-Approved Tester Verified ★ 4.2 (10 reviews) On City of Houston list Backflow Testing

12719 Cypress Valley Rd, Cypress, TX 77429 · 12 mi from Magnolia

Call (281) 373-0993 Details Website

Verified Oct 2026 · Unclaimed listing

BMF Solutions LLP

90/100
✓ TX Utility-Approved Tester Verified ★ 4.2 (10 reviews) On City of Houston list Backflow Testing

13602 Jarvis Rd, Cypress, TX 77429 · 12 mi from Magnolia

Call (832) 220-1500 Details Website

Verified Oct 2026 · Unclaimed listing

Thompson Safety LLC

90/100
✓ TX Utility-Approved Tester Verified ★ 4.9 (129 reviews) On City of Houston list Backflow Testing

415 Lockhaven Dr, Houston, TX 77073 · 17 mi from Magnolia

Call (281) 581-0828 Details Website

Verified Oct 2026 · Unclaimed listing

Dynamic Systems Inc.

90/100
✓ TX Utility-Approved Tester Verified ★ 4.8 (12 reviews) On City of Houston list Backflow Testing

6622 Willowbrook Park, Houston, TX 77066 · 17 mi from Magnolia

Call (281) 631-9450 Details Website

Verified Oct 2026 · Unclaimed listing

FirePro Tech LLC

90/100
✓ TX Utility-Approved Tester Verified ★ 4.9 (58 reviews) On City of Houston list Backflow Testing

8535 Jackrabbit Rd # B, Houston, TX 77095 · 17 mi from Magnolia

Call (832) 674-7896 Details Website

Verified Oct 2026 · Unclaimed listing

TDIndustries, Inc.

90/100
✓ TX Utility-Approved Tester Verified ★ 4.2 (41 reviews) On City of Houston list Backflow Testing

9525 Derrington Rd, Houston, TX 77064 · 18 mi from Magnolia

Call (713) 939-1986 Details Website

Verified Oct 2026 · Unclaimed listing

Kauffman Co.

90/100
✓ TX Utility-Approved Tester Verified ★ 4.6 (68 reviews) On City of Houston list Backflow Testing

13225 FM 529 Ste A, Houston, TX 77041 · 19 mi from Magnolia

Call (713) 937-4144 Details Website

Verified Oct 2026 · Unclaimed listing

Never miss your annual backflow test

Most water utilities require the backflow assembly on an irrigation, fire or commercial line to be tested every year, and a missed test can mean a shutoff notice. Tell us when yours was last tested in Magnolia and we'll text you a month before it is due, with certified local testers ready to book.

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Backflow testing questions in Magnolia

Who can test a backflow preventer in Magnolia?

A tester certified by Texas Commission on Environmental Quality. Your water utility may also keep its own list of testers allowed to file reports. Check the notice your utility sent.

How many certified backflow testers are based in Magnolia?

Texas's roster lists no for-hire testers based in Magnolia itself, and 59 testing businesses are within 25 miles.

How often do I need a backflow test?

Most utilities require a test when the assembly is installed and then every year. Your utility's notice gives the due date and how the tester files the report.

Roster: Texas Commission on Environmental Quality, read October 6, 2026.

Approved list: Backflow Tester Company List, City of Houston.

Approved list: City of Plano registered backflow testers, City of Plano Utility Operations.

Approved list: City of Grand Prairie registered backflow testers, City of Grand Prairie.

Approved list: City of Garland registered backflow testers, City of Garland.

Approved list: City of Round Rock registered backflow testers, City of Round Rock Utilities and Environmental Services.

Approved list: McAllen Public Utility certified backflow testers, McAllen Public Utility.

Approved list: City of Saginaw backflow tester list, City of Saginaw Environmental Services.

Approved list: Brownsville PUB cross connection control and backflow prevention testers, Brownsville Public Utilities Board.

Approved list: City of Laredo local registered backflow prevention assembly testers, City of Laredo Utilities.

Approved list: City of Plano registered backflow testers who test without a water shutoff, City of Plano Utility Operations.

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