BackflowNear Test-Due Reminder

Backflow testing in Mechanicsville, MD

5 backflow testing businesses work within 25 miles of Mechanicsville, 2 of them based in town. Every one is on the approved tester list of DC Water.

5 businesses within 25 miles

Backflow testing companies near Mechanicsville

What the badges mean
✓ MD 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.

ADJ Sheetmetal Inc

90/100
✓ MD Utility-Approved Tester Verified ★ 3.6 (19 reviews) On DC Water list Backflow Testing

4510 Graphics Dr, White Plains, MD 20695 · 13 mi from Mechanicsville

Call (301) 283-3000 Details Website

Verified Oct 2026 · Unclaimed listing

H&D Mechanical LLC

90/100
✓ MD Utility-Approved Tester Verified ★ 4.2 (5 reviews) On DC Water list Backflow Testing

7703 Crain Hwy, Upper Marlboro, MD 20772 · 23 mi from Mechanicsville

Call (443) 949-9842 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 Mechanicsville 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 Mechanicsville

Who can test a backflow preventer in Mechanicsville?

A tester certified as Maryland's rules require, and accepted by your water utility. The companies here are on the approved list of DC Water: companies allowed to file backflow test reports in that system. Check the notice your utility sent.

How many backflow testing companies serve Mechanicsville?

5 companies on the approved list of DC Water work within 25 miles of Mechanicsville, 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: Backflow Prevention Assembly Service Providers, DC Water.

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