BackflowNear Test-Due Reminder

Backflow testing in Eureka, MO

134 backflow testing businesses work within 25 miles of Eureka, 4 of them based in town. Every one has testers on Missouri's certified backflow tester roster.

134 businesses within 25 miles
10 for-hire testers based in Eureka

Certified backflow testers near Eureka

E&M Plumbing

100/100
✓ MO Certified Backflow Tester Verified #06-0062 ★ 4.6 (47 reviews) 5 certified testers Backflow Testing

101 Dreyer Ave, Eureka, MO 63025 · under 1 mile from Eureka

Call (636) 938-1311 Details Website

Verified Oct 2026 · Unclaimed listing

FDF Plumbing

100/100
✓ MO Certified Backflow Tester Verified #06-3396 2 certified testers Backflow Testing

320 Cahoon Dr, Eureka, MO 63025 · under 1 mile from Eureka

Call (636) 492-3220 Details Website

Verified Oct 2026 · Unclaimed listing

OJ Laughlin

100/100
✓ MO Certified Backflow Tester Verified #06-9600 ★ 4.1 (55 reviews) 13 certified testers Backflow Testing

300 St Louis Ave, Valley Park, MO 63088 · 8 mi from Eureka

Call (636) 225-0992 Details Website

Verified Oct 2026 · Unclaimed listing

Lawn Masters Inc

100/100
✓ MO Certified Backflow Tester Verified #34-8475 ★ 4.6 (212 reviews) 2 certified testers Backflow Testing

709 Glover Ave, Valley Park, MO 63088 · 9 mi from Eureka

Call (636) 230-0700 Details Website

Verified Oct 2026 · Unclaimed listing

Trio Plumbing Co.

100/100
✓ MO Certified Backflow Tester Verified #06-9200 ★ 4 (149 reviews) 4 certified testers Backflow Testing

2138 Hunters Way Ct, Chesterfield, MO 63017 · 9 mi from Eureka

Call (636) 537-4938 Details Website

Verified Oct 2026 · Unclaimed listing

Eureka Plumbing

90/100
✓ MO Certified Backflow Tester Verified #32-13605 ★ 4.9 (86 reviews) Backflow Testing

347 Eureka Rd, Eureka, MO 63025 · under 1 mile from Eureka

Call (314) 330-3157 Details Website

Verified Oct 2026 · Unclaimed listing

JJ Kokesh & Son

90/100
✓ MO Certified Backflow Tester Verified #06-10959 ★ 4.8 (271 reviews) 3 certified testers Backflow Testing

408 Kehrs Mill Rd, Ballwin, MO 63011 · 8 mi from Eureka

Call (636) 391-1233 Details Website

Verified Oct 2026 · Unclaimed listing

KCJ Plumbing

80/100
✓ MO Certified Backflow Tester Verified #32-9663 ★ 4.2 (12 reviews) Backflow Testing

810 Top Notch Ln, Eureka, MO 63025 · 1 mi from Eureka

Call (314) 229-9895 Details

Verified Oct 2026 · Unclaimed listing

Best Outdoor LLC

80/100
✓ MO Certified Backflow Tester Verified #34-1701 Backflow Testing

18518 Melrose Rd, Wildwood, MO 63038 · 5 mi from Eureka

Call (636) 345-2378 Details

Verified Oct 2026 · Unclaimed listing

The Waldinger Corp

100/100
✓ MO Certified Backflow Tester Verified #13-7292 9 certified testers Backflow Testing

2066 Fenton Logistics Pk Blvd, Fenton, MO 63026 · 10 mi from Eureka

Call (314) 371-1000 Details Website

Verified Oct 2026 · Unclaimed listing

Lawn Systems, Inc.

100/100
✓ MO Certified Backflow Tester Verified #34-10124 ★ 4.8 (255 reviews) 14 certified testers Backflow Testing

2260 Cassens Dr, Fenton, MO 63026 · 11 mi from Eureka

Call (636) 349-6640 Details Website

Verified Oct 2026 · Unclaimed listing

Chesterfield Service

100/100
✓ MO Certified Backflow Tester Verified #32-9598 ★ 4.9 (4483 reviews) 2 certified testers Backflow Testing

245 Chesterfield Industrial Blvd, Chesterfield, MO 63005 · 11 mi from Eureka

Call (636) 532-5841 Details Website

Verified Oct 2026 · Unclaimed listing

Builders Bloc

100/100
✓ MO Certified Backflow Tester Verified #06-1893 ★ 3.4 (18 reviews) 2 certified testers Backflow Testing

285 Chesterfield Business Pkwy, Chesterfield, MO 63005 · 11 mi from Eureka

Call (314) 336-0200 Details Website

Verified Oct 2026 · Unclaimed listing

Chesterfield Irrigation

100/100
✓ MO Certified Backflow Tester Verified #34-10712 ★ 3.5 (33 reviews) 4 certified testers Backflow Testing

727 Spirit of Saint Louis Blvd, Chesterfield, MO 63005 · 11 mi from Eureka

Call (636) 537-9795 Details Website

Verified Oct 2026 · Unclaimed listing

Pro Outdoor

100/100
✓ MO Certified Backflow Tester Verified #34-13872 ★ 4.9 (814 reviews) 7 certified testers Backflow Testing

12852 Maurer Industrial Dr, Sappington, MO 63127 · 12 mi from Eureka

Call (636) 692-4441 Details Website

Verified Oct 2026 · Unclaimed listing

Merlo Plumbing

100/100
✓ MO Certified Backflow Tester Verified #06-9970 ★ 3.6 (56 reviews) 20 certified testers Backflow Testing

11041 Gravois Industrial Ct, St. Louis, MO 63128 · 12 mi from Eureka

Call (314) 843-1000 Details Website

Verified Oct 2026 · Unclaimed listing

Rock Hill Mechanical

100/100
✓ MO Certified Backflow Tester Verified #13-10768 ★ 5 (6 reviews) 7 certified testers Backflow Testing

524 Clark Ave, Kirkwood, MO 63122 · 14 mi from Eureka

Call (314) 966-0600 Details Website

Verified Oct 2026 · Unclaimed listing

Ideal Landscape Group

100/100
✓ MO Certified Backflow Tester Verified #34-14604 ★ 3.6 (65 reviews) 3 certified testers Backflow Testing

6252 Olsen Rd, St. Louis, MO 63129 · 15 mi from Eureka

Call (314) 892-9500 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 Eureka and we'll text you a month before it is due, with certified local testers ready to book.

Free. One text before your test is due. No spam, cancel anytime. Privacy

Backflow testing questions in Eureka

Who can test a backflow preventer in Eureka?

A tester certified by Missouri Department of Natural Resources. 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 Eureka?

10 testers who test for the public list Eureka as their base on Missouri's roster, and 134 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: Missouri Department of Natural Resources, read October 6, 2026.

Keep looking

Find a tester Set reminder