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Backflow testing in Maryville, TN

39 backflow testing businesses work within 25 miles of Maryville, 3 of them based in town. Every one has testers on Tennessee's certified backflow tester roster.

39 businesses within 25 miles
21 for-hire testers based in Maryville

Certified backflow testers near Maryville

Native Design

90/100
✓ TN Certified Backflow Tester Verified #10049 ★ 4.9 (154 reviews) Backflow Testing

3473 Louisville Rd, Louisville, TN 37777 · 6 mi from Maryville

Call (865) 310-3256 Details Website

Verified Oct 2026 · Unclaimed listing

Secufire

100/100
✓ TN Certified Backflow Tester Verified #14316 ★ 5 (12 reviews) 3 certified testers Backflow Testing

9111 Cross Park Dr D200, Knoxville, TN 37923 · 14 mi from Maryville

Call (865) 770-1484 Details Website

Verified Oct 2026 · Unclaimed listing

Turn Key Plumbing

100/100
✓ TN Certified Backflow Tester Verified #13914 ★ 4.8 (61 reviews) 5 certified testers Backflow Testing

7203 US-11, Lenoir City, TN 37772 · 14 mi from Maryville

Call (865) 986-7307 Details Website

Verified Oct 2026 · Unclaimed listing

Northwest Plumbing Co.

100/100
✓ TN Certified Backflow Tester Verified #13799 ★ 4.3 (24 reviews) 3 certified testers Backflow Testing

2710 Ball Camp Byington Rd, Knoxville, TN 37931 · 17 mi from Maryville

Call (865) 690-7777 Details Website

Verified Oct 2026 · Unclaimed listing

Lee Company

90/100
✓ TN Certified Backflow Tester Verified #14149 ★ 4.8 (588 reviews) 2 certified testers Backflow Testing

12522 Kingston Pike, Farragut, TN 37934 · 13 mi from Maryville

Call (615) 934-4141 Details Website

Verified Oct 2026 · Unclaimed listing

Best Plumber

90/100
✓ TN Certified Backflow Tester Verified #14729 ★ 4.9 (441 reviews) 2 certified testers Backflow Testing

320 Nancy Lynn Ln #3, Knoxville, TN 37919 · 13 mi from Maryville

Call (805) 816-3111 Details Website

Verified Oct 2026 · Unclaimed listing

Johnson Controls, Inc

90/100
✓ TN Certified Backflow Tester Verified #10078 ★ 3.3 (13 reviews) 3 certified testers Backflow Testing

11224 Gilbert Dr, Knoxville, TN 37932 · 14 mi from Maryville

Call (865) 334-7867 Details Website

Verified Oct 2026 · Unclaimed listing

The Lawn Butler

90/100
✓ TN Certified Backflow Tester Verified #14380 ★ 4.7 (172 reviews) 4 certified testers Backflow Testing

1815 Jackson Rd, Knoxville, TN 37921 · 16 mi from Maryville

Call (865) 345-3973 Details Website

Verified Oct 2026 · Unclaimed listing

Acadia Landscape

90/100
✓ TN Certified Backflow Tester Verified #10046 ★ 4.9 (87 reviews) Backflow Testing

4408 Middlebrook Pike #100, Knoxville, TN 37921 · 16 mi from Maryville

Call (865) 329-4002 Details Website

Verified Oct 2026 · Unclaimed listing

Tennessee Automatic Sprinkler

90/100
✓ TN Certified Backflow Tester Verified #9733 ★ 3.9 (7 reviews) 5 certified testers Backflow Testing

2729 Ball Camp Byington Rd, Knoxville, TN 37931 · 17 mi from Maryville

Call (865) 691-8738 Details

Verified Oct 2026 · Unclaimed listing

City of Maryville Water and Sewer Department: backflow test rules

  • Who must test. Residential lawn irrigation backflow preventers are tested at least annually by the water department. Source.
  • Notices and deadlines. Municipal Code requirement per the 2020 notice; re-inspection fees apply when not installed or in service. Source.
  • Fees. Previously a $55 one-time fee; commercial fees depend on device size and are also billed over 12 months. Source.

Everything about City of Maryville Water and Sewer Department's backflow program

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 Maryville 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 Maryville

Who can test a backflow preventer in Maryville?

A tester certified by Tennessee Department of Environment and Conservation (Fleming Training Center). Your water utility may also keep its own list of testers allowed to file reports. In Maryville, see City of Maryville Water and Sewer Department's rules below.

How many certified backflow testers are based in Maryville?

21 testers who test for the public list Maryville as their base on Tennessee's roster, and 39 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: Tennessee Department of Environment and Conservation (Fleming Training Center), read October 6, 2026.

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