Heeter Plumbing LLC
100/100 ✓ OH Utility-Approved Tester Verified #A5785 ★ 4.5 (172 reviews) 4 certified testersOn City of Columbus list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Backflow testing in Dayton, OH
5 backflow testing businesses work within 25 miles of Dayton, 2 of them based in town. Every one is on the approved tester list of City of Columbus.
5 businesses within 25 miles
Backflow testing companies near Dayton
What the badges mean
- ✓ OH Utility-Approved Tester Verified On the city list
- The company is on a water utility's own approved list (the second badge names the list). That is the utility's approval, not a state license, and it counts for that utility.
- 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.
Applied Mechanical Systems Inc
100/100 ✓ OH Utility-Approved Tester Verified #A13229 ★ 3.7 (12 reviews) 3 certified testersOn City of Columbus list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Nelson Hoke Mechanical
90/100 ✓ OH Utility-Approved Tester Verified #A11314 ★ 5 (4 reviews) On City of Columbus list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Sbiii LLC
90/100 ✓ OH Utility-Approved Tester Verified #A11163 ★ 5 (5 reviews) On City of Columbus list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Central Fire Protection Co Inc
100/100 ✓ OH Utility-Approved Tester Verified #A3760 ★ 3 (4 reviews) 2 certified testersOn City of Columbus list Backflow Testing
Verified Oct 2026 · Unclaimed listing
City of Dayton Water: backflow test rules
- How the report is filed. Completed test reports are faxed to 937-333-8555 or emailed to Backflow@daytonohio.gov. Source.
- Tester registration. The tester records a state certification number, its expiration date and the test equipment calibration date on each report. Source.
- If a test is missed. Tampering with a device's identification plate will require the customer to replace the backflow device. Source.
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 Dayton 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 Dayton
Who can test a backflow preventer in Dayton?
A tester certified as Ohio's rules require, and accepted by your water utility. The companies here are on the approved list of City of Columbus: companies allowed to file backflow test reports in that system. In Dayton, see City of Dayton Water's rules below.
How many backflow testing companies serve Dayton?
5 companies on the approved list of City of Columbus work within 25 miles of Dayton, 2 of them based in town.
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.
Approved list: City of Columbus approved backflow testers, City of Columbus.
Approved list: City of Columbus approved backflow testers (irrigation devices), City of Columbus.
Keep looking
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