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Certified backflow testers in Sumter, SC

6 backflow testing businesses work within 25 miles of Sumter, 3 of them based in town. Every one has testers on South Carolina's certified backflow tester roster.

6 businesses within 25 miles
16 for-hire testers based in Sumter

Certified backflow testers near Sumter

What the badges mean
✓ SC Certified Backflow Tester Verified
A state roster lists at least one certified tester at this business, with a current certificate. The state sets the exam and renewal.
3 certified testers
How many certified testers the roster lists at this business.
★ 4.8 (25 reviews)
The Google rating, shown as Google reports it. It does not change the order.

Order is by our quality score, never by payment. How we verify listings.

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Hill Plumbing & Air

100/100
✓ SC Certified Backflow Tester Verified #143967529 ★ 4.5 (249 reviews) 2 certified testers Backflow Testing

438 N Main St, Sumter, SC 29150 · under 1 mile from Sumter

Call (803) 773-6689 Details Website
Verified Oct 2026 · Unclaimed listing

Barwick Plumbing Co, Llc

90/100
✓ SC Certified Backflow Tester Verified #143328428 ★ 4.8 (24 reviews) 2 certified testers Backflow Testing

15 E Clark St, Pinewood, SC 29125 · 14 mi from Sumter

Call (803) 452-5755 Details
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Sumter

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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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Independent certified testers based in Sumter

Testers South Carolina's roster lists without a company. Names, certificate numbers and phones as the state publishes them.

TownTesterCertificateExpiresPhone
Sumter Justice D Hall 143364229 Jun 2029 (646) 245-1804

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Backflow testing questions in Sumter

Where are the backflow testing businesses listed for Sumter based?

6 backflow testing businesses are listed within 25 miles of Sumter. 3 are based in Sumter itself, 2 more within 15 miles and 1 further out, up to 24 miles away. The closest is Hill Plumbing & Air, under 1 mile from Sumter.

Which tester lists are the businesses near Sumter on?

Every one has testers on South Carolina's certified backflow tester roster. The South Carolina Department of Environmental Services roster was read July 9, 2026. It lists 16 for-hire testers based in Sumter itself. 1 certified tester appears on the roster in Sumter without a company; they are in the table on this page.

How many of the backflow testing businesses near Sumter have Google reviews?

6 of the 6 listed for Sumter have 3 or more Google reviews. Hill Plumbing & Air has the most reviews, 249, with an average of 4.5 stars, as Google showed them at our last check.

Roster: South Carolina Department of Environmental Services, read July 9, 2026.

Approved list: Charleston Water System approved backflow prevention assembly testers, Charleston Water System.

Approved list: BJWSA approved backflow testing companies, Beaufort-Jasper Water and Sewer Authority.

Approved list: City of Florence certified backflow testers, City of Florence Utilities.

Approved list: Approved Backflow Test Company List, Charlotte Water.

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